短途: short distance航程: air-range; sail; flying rang ...安全: safe; secure; safety; securi ...证明书: certificate; testimonial有限制短途航程安全证明书: qualified short voyage safety certificate一般安全证明书: general safety certificate有限制安全证明书: qualified safety certificate核动力船安全证明书: nuclear shicertificate航程证明书: certificate of itinerary多级安全证明: multilevel security proof有限制货船构造安全证明书: qualified cargo shisafety construction certificate有限制货船设备安全证明书: qualified cargo shisafety equipment certificate有限制货船无线电安全证明书: qualified cargo shisafety radio certificate短途航线: short-haul air route短途航空公司: commuter airlines联合短途航空公司: shuttle by united日本短途航空公司: air nippon短途国际航程: short international voyage船内安全报告, 健康证明书: clean bill of health最低安全人手编配证明书: minimum safe manning certificate证明书: certificate; testimonial 产地证明书 certificate of origin; 健康证明书 health certificate; 质量证明书 certificate of quality; 他带着一张他的品行证明书。 he bears a testimonial as to his character安全证券: default free securities安全证书: safety certificate安全证书链: security certificate chain证明，证明书: certification
