- flow velocity valve
- 流速: velocity of flow; strength; ...
- 阀: established house or power g ...
- 变速阀: speed change valve; speed changer valve
- 怠速阀: idle valve
- 调速阀: compensated flow control valve; gear-shift valve; governing valve; governor valve; speed control valve; speed regulating valve; speed regulator valve; speed-regulating valve
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