Natural gas engines with displacement≥5.9L (spark-ignition reciprocating piston engines for the vehicles listed in Chapter 87) 排气量≥5.9升的天然气发动机(第87章所列车辆用的点燃往复式活塞发动机),
Other vehicle-use reciprocating piston engines with displacement>3cc (spark-ignition reciprocating piston engines for the vehicles listed in Chapter 87) 其他超3000cc车用往复式活塞引擎(第87章所列车辆用的点燃往复式活塞发动机),