The plunger in the fuel injector pump， usually operated by a （）， is driven up and down when working.
举一反三
- As the plunger moves up， the ports are closed and the fuel （） and delivered to the injector nozzle at very high pressure.
- A common trouble with the fuel pump plunger or fuel valve spindle is （）.
- When the follower is on the base circle of the cam， the pump plunger is at the （） of its stroke.
- The in the lubricating system draws oil from the oil pan and sends it to all working parts in the engine. A: fuel pump B: oil pump C: diesel pump D: gasoline pump
- Depending on the power sources, pumps used in hydraulic system are divided into engine driven pump, electrically driven pump and hand pump.