Check for any seriously worn parts and replace if necessary.

检查任何严重磨损的零件，如有需要将其更换。

youdao

Long service life of easy worn parts and little maintenance.

ST M立磨易损件使用寿命长，维修量少。

youdao

Replace the worn out parts with ship's spare.

用船上的备件改换磨损部件。

youdao

Replace the worn out parts with ship's spare.

用船上的备件改换磨损部件。

youdao