差压式调节阀
Differential pressure regulating valve
电动式调节阀
Electrodynamic control valve
Electro-regulating valve
回油阀调节式喷油泵
spill valve regulating fuel injection pump
活塞式调节阀
piston type regulating valve
整体指挥器操作型自力式调节阀
internally piloted regulator
直接作用式调节阀
direct-operated regulator
自力式调节阀
self-operated regulator
self-operated control valve
self-actuated regulator
direct-operated regulator
组合指挥器操作型自力式调节阀
externally-piloted regulator
泵排量角调节螺钉
pump displacement angle adjustment screw