A type of engine fuel injector of 12-cylinder was set up to form five kinds of fault,they are nozzle blockage,needle valve clip,spring break,very low and very high pressure of needle valve open.

 
  • 某12缸发动机喷油器上设置的5种故障分别是喷孔堵塞、针阀卡滞、弹簧断裂、针阀开启压力过低和针阀开启压力过高。
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