... reversible expansion 可逆膨胀 reversible flow 可逆流 reversible gear train 可逆齿轮系 ...
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reversible flow sign 改变车道通行方向标志
reversible axial-flow fan 可逆轴流式通风机
reversible axial flow pump 可逆转轴流泵
reversible axial flow pumps 双向轴流泵
a reversible axial-flow pump 双向轴流泵
The design element and the experiment result of reversible orifices and changing orifices low velocity flow is high.
分析了可逆式孔板流量计和可变式孔板流量计的设计原理和实验结果。
It's precious, is it because the time is not reversible, once the flow away, they never come back.
它的珍贵，正所以是因为时间是不可逆的，一旦流走，就再也不会回来了。
A reversible axial flow fan is required to run with high aerodynamic performance both in forward direction and in backward direction.
可逆风机在正向与反向送风时，都希望具有良好的气动性能。
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