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	cam contour curve cam contour line cam control cam control, counting control cam controler cam control gear Cam controlled automatic by-pass valve cam controlled ejector cam-controlled ejector cam controlled press cam-controlled press cam-controlled single spindle automatic lathe cam controller Cam control system cam control unit camcord camcorded camcorder camd CAMDA CAM database camdelate Camden camden b camden,battle of