检查各换向阀电磁铁动作是否灵活。

Check to know the electromagnet reaction of the reversing valve.

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给出了一种新型电液数字换向阀。

A new type of digital directional valve is presented.

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二位五通换向阀即可控制其工做。

Two five-way valve to control their work to do.

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纯水液压换向阀；

Water hydraulic directional valve;

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吊装完成后要操作多路换向阀锁上锁钩，然后收回支腿。

When finish hoisting operate multiple directional value lock the hook, and then take back outrigger.

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绷网完以后，扳动换向阀，使手轮回到初始的位置，关闭电源。

After the nets, stretch, throw reversing valves, make the initial position, close to power.

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当压力比相同时，两个换向阀不同通道流量的最大差值分别为其最小流量的11.8%和26.6%。

The biggest difference between passages is 11.8% and 26.6% of the minimum flow-rate irrespectively.

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当压力比相同时，两个换向阀不同通道流量的最大差值分别为其最小流量的11.8%和26.6%。

The biggest difference between passages is 11.8% and 26.6% of the minimum flow-rate irrespectively.

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