The bow thruster to be equipped with a brake to avoid the turning of the propeller and motor during sailing.
艏侧推上应安装有刹车以防止航行时螺旋桨和马达发生转动。
The ships deck hoisting machinery such as bow gate, bulkhead valve, stern propeller and so on;
船舶用的甲板起重机械（绞车）、船头门、舱壁阀、船尾推进器等；
The ships deck hoisting machinery such as bow gate, bulkhead valve, stern propeller and so on;
船舶用的甲板起重机械（绞车）、船头门、舱壁阀、船尾推进器等；
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