dump valve
放卸阀
应急排放阀
卸矿车
翻斗阀
事故排放阀
倾卸阀
漏油瓣
卸油阀
dump valve spring chamber
motorized double-acting dust dump valve
transmission dump valve group
backhoe control valve circuit
hybrid solenoid valve circuit
motor brake valve circuit
pilot control valve circuit
proportional reducing valve circuit
proportional valve circuit