Reciprocating internal combustion engines - exhaust emission measurement - part 10 : test cycles and test procedures for field measurement of exhaust gas smoke emissions from compression ignition engines operating under transient conditions 往复式内燃机.废气排放测量.第10部分:压力点火燃式发动机在瞬时工作状态下排放的燃气烟雾现场测量的试验周期和试验程序