所有双层底为水密和油密，并应按规范要求由船东代表进行水压或气密试验。

All double bottom is watertight and oiltight. Compressed air testing and water-pressure tests can be carried out according to the classification society and by Owner's representative.

youdao

所有双层底为水密和油密，并应按规范要求由船东代表进行水压或气密试验。

All double bottom is watertight and oiltight. Compressed air testing and water-pressure tests can be carried out according to the classification society and by Owner's representative.

youdao