评价汽油清净剂使用效果的试验方法 第6部分:汽油清净剂对汽油机进气阀和燃烧室沉积物生成倾向影响的发动机台架试验方法(M111法)
Test method for evaluating gasoline detergent in use--Part 6: Engine dynamometer test method for influence of intake valve and combustion chamber deposit tendencies of gasoline detergent(M111 method)