sinking
短语词组
- counter sinking 锪孔;钻锥坑;滚丝;倒角沉孔
- schaft sinking 凿井
- pit sinking 凿井
- sinking agent 沈降剂;沉淀剂
- sinking hoist 凿井提升机
- sinking operation 井筒掘进
- pile sinking 打桩;沉桩
- Cementation Sinking [矿业]灌浆法凿井
- sinking tree 沉树
- shaft sinking 凿井
- sinking ship 正在下沉的船
- die sinking 刻模；开模；制阴模；加工模腔 返回 sinking