thrust boring 中文意思是什麼
thrust boring
解釋
沖擊鉆孔-
Tunnelling machines - shield machines, thrust boring machines, auger boring machines, lining erection equipment - safety requirements
隧道掘進機.盾構機止推鉆孔機螺旋鉆探機襯里安裝設備.安全要求 -
Tunneling machines - shield machines, thrust boring machines, auger boring machines, lining erection equipment - safety requirements ; german version en 12336 : 2005
隧道掘進機.盾構機止推鉆孔機螺旋鉆探機襯里安
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