back-pressure valve
短语词组
- angle back -pressure valve 背压角阀;违压角阀;负压角阀
- dry back -pressure valve 干式布袋滤尘器
- hydraulic back -pressure valve 液压止回阀;水压逆止阀
- e back -pressure valve 背压角阀
- hydraulic c back -pressure valve 液压止回阀
- angle e back -pressure valve 背压角阀
- hydraulic -controlled back pressure butterfly-shaped valve 液控单向蝶阀
- slow -closing back pressure valve 缓闭止回阀 返回 back-pressure valve