为满足船舶节能需要，可对双桨和多桨船舶采用加装艉轴支架包壳的方法。

To meet the needs of Marine energy saving support wrappings are added to tail shafts which are in the ships with double propellers or more than two propellers.

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为满足船舶节能需要，可对双桨和多桨船舶采用加装艉轴支架包壳的方法。

To meet the needs of Marine energy saving support wrappings are added to tail shafts which are in the ships with double propellers or more than two propellers.

youdao