突面带颈平焊钢制管法兰 meaning in English
hubbed slip-on-welding steel pipe flanges with flate face or raised face
Examples
- Hubbed slip - on - welding steel pipe flanges with flate face or raised face
平面突面带颈平焊钢制管法兰
hubbed slip-on-welding steel pipe flanges with flate face or raised face