英语词汇“航行安全書”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	航行安全書
释义	航行安全書 háng xíng ān quán shū航行国际而容积在五百公吨以上的船只，在航行前，必先取得的船级证书。交船前，由船东委托验船机构，根据原设计的构造、规范加以核对、检验，符合规定才准签发航行安全书。主要目的在维持国际航行船只的安全品质。
随便看	sedimentation monitoring sedimentation number sedimentation observation sedimentation of blood sedimentation of coke sedimentation of foundation soil sedimentation of fuel sedimentation of ground sedimentation of roadbed sedimentation of suspension sedimentation of the continental margin sedimentation-oxygenation sedimentation pan sedimentation particle sedimentation particle suspension sedimentation patter sedimentation pattern sedimentation performance sedimentation period sedimentation pipe sedimentation pit sedimentation plant sedimentation pond sedimentation potential sedimentation potential difference