GB/T 20132-2019船舶和海上技术客船低位照明布置国家标准
英文:Ships and marine technology—Low-location lighting(LLL) on passenger ships—Arrangement GB/T 20132-2019介绍: 国家标准《船舶和海上技术...
英文:Ships and marine technology—Low-location lighting(LLL) on passenger ships—Arrangement GB/T 20132-2019介绍: 国家标准《船舶和海上技术...