hand-dug caisson

基本解释手挖沉箱,人工挖掘沉箱

网络释义

1)hand-dug caisson,手挖沉箱;人工挖掘沉箱2)hand dug caisson,手挖沉箱3)hand-dug caisson operation,手挖沉箱工程4)hand-dug caisson construction,手挖沉箱建造工程5)caisson,沉箱;挖孔桩6)shaft-sinking [caisson works],打/挖竖井(沉箱工程)

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