基本释义:

油优先阀

网络释义

1)oil priority valve,油优先阀

2)oil flow priority,优先油流

3)pilot valve oil pressure,先导阀油压

4)pilot valve drain valve,先导阀排油阀

5)priority reduction valve,优先控制减压阀

6)priority relief valve,优先控制安全阀