按照国家规定应当报废的船舶、浮动设施，不得航行或者作业。
Vessels and floating facilities that shall be scrapped in accordance with the provisions of the State shall not navigate or operate.
船舶主辅机机体裂纹的延伸会导致机器报废或发生严重机损事故，这对船舶安全营运是一大隐患。
Cracks in Marine main engine or auxiliary engine body may lead to scrap of the machine or serious accident, which is a badly hidden trouble for safety of a vessel.
船舶主机和辅机等机械设备的机体裂纹是非常危险的缺陷，裂纹延展会导致机器报废或发生严重事故。
Cracks on engine bodies, no matter main engine or auxiliary one, are very dangerous defects, extension of which will lead to the engine discarded or serious accident.
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