non-propelled vessel 中文意思是什麼
non-propelled vessel
解釋
非自航船-
This ship is a non - propelled fixed luffing 500t steel crane vessel. this vessel is mainly used to lift and hookup the concrete components, bridge blocks, mechanical electrical equipments for harbours, bays, quays and jetty
建港304為非自航固定變幅式500噸鋼質起重船,主要用於中國南海沿海各港灣港口及內河碼頭和堤岸的混凝土構件橋梁機電設備等吊裝工程。
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