| |||
recirculation valve | |||
backflow valve | |||
reflux valve; return valve | |||
reverse flow valve | |||
reversing valve | |||
| |||
return valve |
回流阀: 28 phrases in 9 subjects |
Agriculture | 1 |
Automobiles | 2 |
Drilling | 2 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Plastics | 1 |
Shipbuilding | 1 |
Technology | 15 |