钢制管法兰连接用金属环垫技术条件 meaning in English
specification for metallic ring gaskets for steel pipe flange joints
Examples
- Specification for metallic ring gasket for steel pipe flanges joint
钢制管法兰连接用金属环垫技术条件 - Specification for metallic ring gaskets for steel pipe flange joints
钢制管法兰连接用金属环垫技术条件