self-propelled bucket dredge的意思|示意
美 / /
英 / /
自行式斗式挖泥船
self-propelled bucket dredge的网络常见释义
自航链斗挖泥船 ... 蛤式抓斗挖泥船 clamshell dredge 自航链斗挖泥船 self-propelled bucker dredger; self-propelled bucket dredge 自航抓斗挖泥船 self-propelled grab hopper dredger ...