GB/T 8190.9-2010

Reciprocating internal combustion engines - Exhaust emission measurement - Part 9: Test cycles and test procedures for test-bed measurement of exhaust gas smoke emissions from compression ignition engines operating under transient conditions

往复式内燃机 排放测量 第9部分：压燃式发动机瞬态工况排气烟度的试验台测量用试验循环和测试规程