第四条船舶和船上有关航行安全的重要设备必须具有船舶检验部门签发的有效技术证书。
Article 4 Vessels and their major equipment relating to navigation safety must have valid technical certificates issued by vessel inspection departments.
第四条船舶和船上有关航行安全的重要设备必须具有船舶检验部门签发的有效技术证书。
Article 4 Vessels and their major equipment relating to navigation safety must have valid technical certificates issued by vessel inspection departments.
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