船舶: shipping; boats and ships; v ...入: enter级: level; rank; grade符号: character; sign; symbol; mar ...船舶入级: shipping register入级符号: character of class, character of classification; classification symbol船舶入级检查: classification survey船舶入级证书: classification certificate船舶入级和建造规范: rules for classification and construction of ships级符号: ns冰级符号: ice class notation船级符号: character of classification; clasnotation; class notation; maltese cross整级符号: global set symbol船舶入港申报: reporting a vessel显示分级符号: show outline symbols优先等级符号: priority designator自动船级符号: automatic ship class notation船舶入港通知书: ship's entry notice船舶入境检疫证: entry quarantine permit自动化船船级符号: automatic shiclass notation自动化船级符号: automatic shiclass notation不依比例尺等级符号: graduated symbol入级: classification船舶普通入级检验普通入级检验: general classification test普通入级检验船舶普通入级检验: general classification test
