In a straight travel valve of the hydraulic control apparatus, a communication path and a control valve that opens and closes the communication path are provided.
在液压控制装置的直线行驶阀中设置连通路径以及开启和闭合连通路径的控制阀。
PSL straight travel electric actuator adopts two brackets and one connecter to joint with the valve.
PS L直行程电动直行机构设计采用两个支架和一个连接件与阀门相连。
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