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第五条船舶必须持有船舶国籍证书，或船舶登记证书，或船舶执照。
Article 5 a vessel must have a certificate showing its nationality, a vessel registry certificate or a vessel license.
youdao
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第五条船舶必须持有船舶国籍证书，或船舶登记证书，或船舶执照。
Article 5 a vessel must have a certificate showing its nationality, a vessel registry certificate or a vessel license.
youdao