基本释义:

先导阀加载弹簧

网络释义

1)pilot valve loading spring,先导阀加载弹簧

2)pilot valve spring,先导阀弹簧

3)spring-opposed valve,弹簧加载阀

4)spring-biased valve,弹簧加载的阀<液>

5)spring loaded valve,弹簧加载式阀门

6)spring-loaded check valve,弹簧加载止回阀