sinking rate

矿业工程专业词汇英语翻译_专业词汇... ... sinking pump 凿井用泵 sinking rate 凿井速度 sinking round 凿井炮眼组 ...

直角三角形_馆档网 ... "浸水泵"," sinking pump" "下沈率"," sinking rate" "下沈速度"," sinking speed" ...