GB/T 17838-2017船舶海洋水文气象辅助测报规范国家标准
英文:Specification for the ships’ auxiliary marine hydrology and metereological observations GB/T 17838-2017介绍: 国家标准...
英文:Specification for the ships’ auxiliary marine hydrology and metereological observations GB/T 17838-2017介绍: 国家标准...