An engine main pump test system was improved to be both applicable for pump test and fuel throttlevalve test.
在长征系列发动机主泵试验系统现有的基础上经局部改造而建造了燃料节流阀试验系统。
2
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cut off from the main pipe and throttle with.