汽车发动机气门-气门座强化磨损台架试验方法
The bench test methods of valve-valve holder intensify abrasion for automotive engines
2006-03-07
ASTM D6421-20
Standard Test Method for Evaluating Automotive Spark-Ignition Engine Fuel for Electronic Port Fuel Injector Fouling by Bench Procedure
用台架法评定汽车火花点火式发动机电子端口喷油器污染用燃料的标准试验方法