GB 40555-2021海船机舱消防应急操作技术要求标准
英文:Technical requirements for firefighting emergency operation of sea-going ship engine room GB 40555-2021介绍: 国家标准《海船机舱消...
英文:Technical requirements for firefighting emergency operation of sea-going ship engine room GB 40555-2021介绍: 国家标准《海船机舱消...