短語詞組短語counter sinking 鍃孔;鑽錐坑;滾絲;倒角沉孔schaft sinking 鑿井pit sinking 鑿井sinking agent 沈降劑;沉澱劑sinking hoist 鑿井提陞機(jī)sinking operation 井筒掘進(jìn)pile sinking 打樁;沉樁Cementation Sinking [鑛業(yè)]灌漿法鑿井sinking tree 沉樹shaft sinking 鑿井sinking ship 正在下沉的船die sinking 刻模；開模；制隂模；加工模腔 返回 sinking