榫槽面整体钢制管法兰 meaning in English
integral steel pipe flanges with tongue and groove face for pn 0mpa
integral steel pipe flanges with tongue and groove face for pn mpa
integral steel pipe flanges with tongue and groove face for pn0mpa
integral steel pipe flanges with tongue and groove face for pn6mpa
Examples
- Integral steel pipe flanges with tongue and groove face
榫槽面整体钢制管法兰