| |||
背反压阀; 排气压力阀 | |||
止回〔回压,背压,单向〕阀 | |||
止回阀; 逆止阀; 反压阀 | |||
回压阀 | |||
止回阀背压阀 | |||
背压阀; 止压阀〈注塑机〉 | |||
| |||
背压阀如:排放控制系统排气压力阀 | |||
回压阀 | |||
背压阀 | |||
单向阀; 回压凡尔; 反向阀; 止回阀; 逆止阀; 反压阀 |
back pressure valve : 15 phrases in 5 subjects |
Automobiles | 2 |
Metallurgy | 5 |
Oil / petroleum | 1 |
Refrigeration | 2 |
Technology | 5 |