sinking
短语词组
- 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
- sinking operation 井筒掘進
- pile sinking 打樁;沉樁
- Cementation Sinking [鑛業]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