標題: ASTM D 6421-1999 用平臺程序電子油口燃料注入器堵塞法評價汽... [打印本頁] 作者: 兌水 時間: 2009-10-24 10:38 標題: ASTM D 6421-1999 用平臺程序電子油口燃料注入器堵塞法評價汽... D6421-99a Standard Test Method for Evaluating Automotive Spark-Ignition Engine Fuel for Electronic Port Fuel Injector Fouling by Bench Procedure