二次空气喷射管
secondary air injection tube
二次空气喷射装置
secondary air injection system
脉动式二次空气喷射
PSAI Pulsed Secondary Air lnjection
燃气二次喷射
secondary hot gas injection
hot gas secondary injection
减速器空气减压阀
retarder air pressure reducing valve
减速器空气减压阀的调节
retarder air pressure reducing valve adjustment
二次空气分配歧管
secondary air distribution
二次空气供给装置
secondary air injection system
二次空气控制阀
secondary air control valve