GB/T 39206-2020固定式全回转舵桨装置安装与调试规程标准
英文:Code of practice for installation and commissioning of fixed azimuth thruster GB/T 39206-2020介绍: 国家标准《固定式全回转舵桨装置安装与调试...
英文:Code of practice for installation and commissioning of fixed azimuth thruster GB/T 39206-2020介绍: 国家标准《固定式全回转舵桨装置安装与调试...