Certificate of Ship's National

例句：

1. 1.The certificate of ship's national is required for the operation of the vessel.
   船舶国籍证书是该船只运营所需的。
2. 2.The captain presented the certificate of ship's national to the customs officer.
   船长向海关官员出示了船舶国籍证书。
3. 3.The certificate of ship's national was issued by the government to recognize the vessel's nationality.
   船舶国籍证书是由政府颁发的，以确认该船只的国籍。