... control valve breather 控制阀通气孔 control valve bush 控制阀衬套 control valve cap 控制阀盖 ...
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The flow of each axle bush applies speed control valve to regulate, with high precision and low interference effect.
每个轴瓦的流量采用调速阀进行调节，精确度高，互相干扰小。
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