环连接面带颈平焊钢制管法兰 meaning in English
hubbed slip-on-welding steel pipe flanges with ring-joint face for pn 0mpa
Examples
- Hubbed slip - on - welding steel pipe flanges with ring - joint face
环连接面带颈平焊钢制管法兰
hubbed slip-on-welding steel pipe flanges with ring-joint face for pn 0mpa