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.是什么意思_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.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句