除非海员的健康状况经证明适合履行其职责，否则不得上船工作。

Seafarers shall not work on a ship unless they are certified as medically fit to perform their duties.

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船员实习期满后，公司为其更换水手。机工值班适任证书，并安排船员正式上船工作。

Crew end of the internship, the company replaced its sailors. Competency certificate mechanic on duty and arrange for the formal work on a ship crew.

youdao

船员实习期满后，公司为其更换水手。机工值班适任证书，并安排船员正式上船工作。

Crew end of the internship, the company replaced its sailors. Competency certificate mechanic on duty and arrange for the formal work on a ship crew.

youdao