GB/T 33139-2016船舶与海上技术减少船舶推进关键系统损失的维护与试验国家标准
英文:Ships and marine technology—Maintenance and testing to reduce losses in critical systems for propulsion GB/T 33139-20...
英文:Ships and marine technology—Maintenance and testing to reduce losses in critical systems for propulsion GB/T 33139-20...