Simulating test method for intake valve deposit of gasoline engine 汽油机进气阀沉积物模拟试验方法
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05 . 03 test method for vehicle evaluation of unleaded automotive spark - ignition engine fuel for intake valve deposit 进气阀沉淀物中汽车点火无铅机油评估测试方法
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Standard test method for dynamometer evaluation of unleaded spark - ignition engine fuel for intake valve deposit formation 进油阀沉积物形成用火花点燃式发动机无铅燃料的功率计评定标准试验方法
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Standard test method for vehicle evaluation of unleaded automotive spark - ignition engine fuel for intake valve deposit formation 进液阀门沉积形成的不含铅自动火花点火引擎燃料的车辆评价标准试验方法