下游阀 meaning in English
downstream valve
Examples
- These fire - safe valves provide a bubble tight barrier on both upstream and down stream seats and eliminate possible product contamination or loss of fluids due to valve leakage
这种防火安全阀门在上游和下游阀座提供气密性屏障关闭性能，消除了由于阀门泄漏造成产品污染或流体损失的可能。