tower jib crane 中文意思是什麼
tower jib crane
解釋
塔式挺桿起重機-
Replacement of tie - in of jib on large - scale tower crane
大型塔式起重機標準節接頭的更換 -
Builder certificate in plumbing pipefitting ; crawler crane operation course ; hydraulic excavator operation course ; mobile crane operation course ; tower crane sadle jib operation course
建築技工證書衛生與水管安裝課程;履帶起重機操作課程;挖土機基本操作課程;卡車起重機操作課程吊秤車;平臂塔吊操作課程 -
Analyses of folding control system of tower crane with telescopic jib
伸縮臂式塔機折疊控制系統分析
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