基于以上现象，对控制支腿缸的换向阀结构进行了改进，通过在原有换向阀的基础上增加一过载阀及4个单向阀解决了上述问题。

Whereas clause, the structure of valve had been improved, holding valve and over load valve had been added in it. The problem had been resolved by means of above.

youdao

基于以上现象，对控制支腿缸的换向阀结构进行了改进，通过在原有换向阀的基础上增加一过载阀及4个单向阀解决了上述问题。

Whereas clause, the structure of valve had been improved, holding valve and over load valve had been added in it. The problem had been resolved by means of above.

youdao