pressure reducing valve [机] 减压阀 ; 降低压力阀 ; 给水减压阀
reducing valve [机] 减压阀 ; 降低压力阀 ; 进口减压阀
Piston reducing valve 活塞式减压阀 ; 活塞式降低压力阀
Bellows reducing valve 波纹管式减压阀 ; 波纹管式降低压力阀
Lever reducing valve 杠杆式减压阀 ; 杠杆式降低压力阀
Diaphragm reducing valve 薄膜式减压阀 ; 薄膜式降低压力阀
Direct acting reducing valve 正向作用式减压阀 ; 正向作用式
Balanced reducing valve 卸荷式减压阀 ; 卸荷式降低压力阀
Reverse acting reducing valve 反向作用式减压阀 ; 反向作用式降低压力阀
Spring diaphragm reducing valve 弹簧薄膜式减压阀 ; 弹簧薄膜式降低压力阀
Some economist argue that emigration can be a useful safety valve in hard times, reducing the numbers of the unemployed and avoiding the debilitating effects of long-term unemployment.
一些经济学家指出在苦难时期移民可能是一个平安的阀门。这样可以减少失业率，还能避免长期失业的影响。
Oil reducing valve belongs to the pilot valve piston valve.
进口油用减压阀属于先导活塞式减压阀。
Oxygen flows through the pressure reducing regulator and shut off valve to the masks.
氧气通过减压调节器和关断活门流向氧气面罩。
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