... cured-in valve 硫化在内胎里的气嘴[孔] current regulating valve 电流调节阀 cushion valve 缓冲阀, 弹性阀, 减震阀 ...
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TYB series waterflood pressure regulating systems consist of two cylinder four chamber pump body, electro hydraulic reversing valve, control fluid circuit and control current circuit.
TY B系列调压注水装置由双缸四腔泵体、电液换向阀、控制液路及控制电路组成。
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