网络释义
1)hydraulic oil return check/bypass valve,液压油回油单向/旁通阀2)return check valve,回油单向阀<液>3)fuel return passage check valve,回油通路单向阀4)hydraulic oil cooler bypass valve,液压油冷却器旁通阀5)hydraulic oil filter bypass valve,液压油滤清器旁通阀6)oil return one-way valve,回油单向阀