Semi-submersible Ferry-type Landing is built up by docking barge,double block roll off platform and assembled mooring system which installed special upright anchor device.是什么意思_Semi-submersible Ferry-type Landing is built up by docking barge,double block roll off platform and assembled mooring system which installed special upright anchor device.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句