美国标准直管螺纹 meaning in English
nps american standard straight pipe thread
Examples
- Specification for envelope dimensions for bronze globe valves nps 1 4 to 2
美国标准直管螺纹1 4至2英寸青铜球阀阀壳尺寸规范 - Standard specification for envelope dimensions for bronze globe valves nps 1 4 to 2
美国标准直管螺纹1 4至2英寸青铜球型阀的阀壳尺寸标准规范