This vessel is a trailing suction hopper dredger of steel full welding ,steamline and round-bilge form with twin screw,double rake,single deck,bulb bow and doule tail fin.是什么意思_This vessel is a trailing suction hopper dredger of steel full welding ,steamline and round-bilge form with twin screw,double rake,single deck,bulb bow and doule tail fin.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句