hydraulic directional control valve 液压换向阀 ; 液力方向控制阀 ; 电动液压换向阀 ; 电动液力方向控制阀
electro-hydraulic directional control valve 电动液压换向阀 ; 电动液力方向控制阀
When a set of Hydraulic Elevators are used, then a hydraulic supply from a directional control valve is required.
当使用一套液压提升集时，那么一个提供液压动力的方向控制阀是必需的。
The utility model discloses a pneumatic control multi-way directional valve applied to a remote pneumatic-control hydraulic system with the coexistence of large flow rate and small flow rate.
一种应用于远程气动控制液压系统的大、小流量并存的多气控换向阀。
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