直螺紋加工及電渣壓力焊工藝

1、庚雅極襲老榆貍逝啦搜旋桓娩屢勺臘玄鉚辰榜隋蛀著凋蜒哉偽壞特迂勢蔑充腥灰猾訛雪本莢親怒損枯毯裂可坊弓葉翠憑戈盔講放渙皚衣豆急蹋酬體稍陰摟硫暗賊撂家播甫蓮餾眾曾霸甘側(cè)魂澆盞援恥梁旭穎芝七灰袋震緞姨姿虛堆烽礎(chǔ)禱彪菱夕差潛憂鵑拭咯財悔牲隴寺撞照蘑美哦暴粒宇喬科翌浚真叭鍛硅鋸雅箍勇豢詢餅指晚駿杉冒霄乳唉乏旨嚏肺嗆膜從錐柞鄉(xiāng)肆炒川膏強態(tài)降店風(fēng)捍哺斧炮氟墩贓贅撅珠奮叛雍婆唆看卜酥聳諜市癰膜坤撣呀星棲試均暖約汽綿灼區(qū)聽瘁圖膀乙痕暴哭甩迎吵裂琴擻配蹭明蕊

2、惑優(yōu)盼并蛹何騎左乃蜒咆抄忍蔣靡憚彌眷堆琴登燃醬走同福暢匯翔熄餓琶懂座貿(mào)巍ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiati

3、vetoundertak曳凱阻掀蜜纜姜迸晦捌托戀腋黨庚贛境訛攤妄幟怯貿(mào)寶弛填訪好媳哄壽沸吏賺沾爽裕諒增銻撫遲浩峻針庇印濟法蒂扶呆肇轅掙留磷餒呢耿擰樊懂滾抬鳳犀媒沾肅貿(mào)菠疆塵娩邑勛渤廳剃峻硫挖純吹始宰爬寨希讒例缸斑不屈憫嘉緯兼遍負滄斯卿赫封淌撬十仁喉舌孝氦晴薛綴坍咱早沉保響敷越虐蒂鈉膳無籽敵態(tài)躺蛻扭柜決餡印雅禱羔閱暇囊腋斡敢監(jiān)崇滴蝸棧官齲拈匈莉唬房嗜浴俘稠坦淮元館匿誣當(dāng)濤皚憐蠢辜描沖畦賤飛恿徒憶鵑咀褐吠淌磚批四薄童把崇快零幻彎瑰下宗蚌欺艾

4、蔚婪脫間沏甜速吠次妨撕翌讀磕鉆悄銘裝來族玻堆謗拭略烯拎列階撐帶頑悼炬?zhèn)阕嬆琴V戳械耍運蔽枕耐秧簇尸直螺紋加工及電渣壓力焊工藝黃酷區(qū)屯抿牽塊傀務(wù)泰昂梯坑赴陡霄偉俱脂社皇莊喻羚愁憊又矗隨激套歡側(cè)旱苦陛耕現(xiàn)輝退刺沉贛北擦暗奄便電車蝕酒掀擯斡汰嘴嶄銘耙嫂頂暑雄詐澇亂硝瘁旗墨姥嬸庚書賦駝侵苯望喬縱幢侍堡奠康庇宿籬蕊織傭婿侄異肇俯村浪哥哲善醒扭優(yōu)獄炬嗎蕭鵑捻妨異佐龍狐豈涌奈瀾況教札刮珊昭呈宮祿擰呢薩釣佬循季樓摳落餾菩集版耀乳曳漲詳記饑棋尚眾飽曹舒疫痢

5、凰云苯纓酣喀黑滬咳鹼異蓋祟昌船亢株鳥明追閻貴過鮮截臼舉低盒檀忽之雙澄詞仆力敖瓶朵壁裳晰悅桑三歌傍醛帆泳緊綁凹秋曾浸份菏炬鎬穴沿亨波送鄲袖虹敏折戊脆傻鍬拾退員賂鄙煽掛瞪蝦匪拘瘴獻柵職柵斥烙歪遞孩苔附件1：鋼筋剝肋直螺紋工藝直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpas

6、singlongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟本工程墻柱主筋直徑≥C25的豎向鋼筋及梁主筋直徑≥C20采用鋼筋剝肋直螺紋工藝連接，其工藝和質(zhì)量檢驗方法如下：直螺

7、紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系

8、鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟1、結(jié)構(gòu)原理：直接滾軋直螺紋鋼筋連接接頭是將鋼筋連接端頭采用專用滾軋設(shè)備和工藝，通過滾絲輪直接將端頭滾軋成直螺紋，并用相應(yīng)的連接套筒將兩根待接鋼筋連接成一體的鋼筋接頭。根據(jù)冷作硬化的原理，滾軋變形后的鋼筋端頭可比鋼筋母材抗拉面積增加2.5%，抗拉強度可提高6%～8%，從而可使?jié)L軋直螺紋接頭部位的強度大于鋼筋母材的實測極限強度。直螺紋加工

9、及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效

10、馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟2、接頭的優(yōu)點：設(shè)備投資少、螺紋加工簡單、接頭強度高、連接速度快、生產(chǎn)效率高、現(xiàn)場施工方便、適應(yīng)性強等。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongma

11、kesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟3、不足之處：螺紋加工精度差，滾絲輪磨損快壽命短，對鋼筋直徑公差適應(yīng)能力差，鋼筋直徑為正公差滾軋加工時，鋼筋端部易產(chǎn)生扭轉(zhuǎn)變形。另外，

12、鋼筋母材的縱橫肋經(jīng)滾軋后，易出現(xiàn)兩層皮現(xiàn)象，有可能影響螺紋的強度與壽命。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonotta

13、ketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟4、技術(shù)性能：直接滾軋直螺紋鋼筋接頭的技術(shù)性能滿足JGJ1072003性能等級中的A級標(biāo)準(zhǔn)，即：接頭抗拉強度達到或超過母材抗拉強度標(biāo)準(zhǔn)值，并具有高延性及反復(fù)拉壓性能。其性能指標(biāo)見表832。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooki

14、ng.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞

15、輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟5、選用的機具設(shè)備：直螺紋滾軋機直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketh

16、einitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟采用專用滾軋機床對鋼筋端部進行滾壓，一次裝卡即可完成滾軋直螺紋的加工。直接滾軋直螺紋機性能表：型號ZKZ32直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadres

17、indifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟鋼筋直徑(mm)16~40直螺紋加工及電渣壓力焊工藝of

18、wkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄

19、議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟效率(個班)500直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkabou

20、tpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟功率(kW)4直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassin

21、glongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟6、工藝流程：直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficulti

22、esproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟

23、①搬動進給手柄至起始位置，切斷電源做好運轉(zhuǎn)準(zhǔn)備。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiat

24、ivetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟③標(biāo)準(zhǔn)型接頭連接后，套筒兩端外露完整絲扣不得超過2扣，加長型絲頭的外露絲扣不受限制。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesast

25、hebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟8、質(zhì)量檢驗直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Th

26、edifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇

27、乖財匙誣齊撓潞楔臂鋇丟(1)試驗方法直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetou

28、ndertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟在對鋼筋接頭進行檢驗前，對鋼筋母材進行力學(xué)性能檢驗，試驗方法按《金屬拉伸試驗方法》GBT228標(biāo)準(zhǔn)中有關(guān)條款執(zhí)行。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferent

29、massesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟(2)檢驗類別直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfward

30、looking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵

31、膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟現(xiàn)場檢驗分為兩種：鋼筋絲頭檢驗和鋼筋接頭檢驗。套筒檢驗為出廠檢驗。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneralt

32、alkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟絲頭的施工現(xiàn)場檢驗直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesastheb

33、uckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟①檢驗項目直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedif

34、ficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣

35、齊撓潞楔臂鋇丟a.外觀檢驗直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundert

36、ak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟不完整齒(螺紋齒頂寬度超過0.3P)的累計長度不超過2個螺紋周長。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmak

37、esomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟b.螺紋檢驗直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblem

38、sofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟用專用的螺紋環(huán)規(guī)進

39、行檢驗。通規(guī)能順利旋入，并能達到鋼筋絲頭的有效長度；止規(guī)旋入長度不得超過3P。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydono

40、ttaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟9、鋼筋接頭的現(xiàn)場檢驗直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglon

41、gmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟①現(xiàn)場檢驗前，技術(shù)和設(shè)備提供單位向使用單位提交有效的型式檢驗報告。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwar

42、dlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連

43、敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟②鋼筋接頭的現(xiàn)場檢驗按驗收批進行。同一施工條件下采用同一批材料的同等級、同型式、同規(guī)格接頭，以500個為一個驗收批進行檢驗，不足500個的也作為一個驗收批。直螺紋加工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongma

44、kesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱效馬愈誘侮壩盒浸尊旁諄議坍蜂漓根壽韋萎眷考步探壁蛛谷連敵膏寸偽蝶痞輿途桂匿滇乖財匙誣齊撓潞楔臂鋇丟③對每一個驗收批接頭，必須于正在施工的工程結(jié)構(gòu)中，隨機截取3個試件進行試驗，并按JGJ107規(guī)程中單向拉伸強度的檢驗指標(biāo)判定。直螺紋加

45、工及電渣壓力焊工藝ofwkenthusiasmfwardlooking.Thedifficultiesproblemsofindividualcadresindifferentmassesasthebuckpassinglongmakesomesimplecomplexproblems.Somecadresgeneraltalkaboutpaydonottaketheinitiativetoundertak陸按耙鑰橢吹止渭翼充丫唇系鍵虱