安全传感器?    safety sensor

稀释排气混合气收集袋?    sample collection bag for dilute exhaust mixture

稀释空气样气收集袋?    sample collection bag for dilution air

凝水分离器    sample handling system

样气处理系统?    sample handling system

稀释空气取样探头?    sample probe for dilution air

取样袋?    sampling bag

取样频率?    sampling frequencies

取样方法和设备?    sampling method and device

取样烟度计?    sampling opacimeter

光线有效通过长度    sampling opacimeter

扫气?    scavenge air

扫气储器?    scavenging air receiver

扫气口面积?    scavenging port area

扫气过程?    scavenging process

扫气泵?    scavenging pump

刮板式装货机?    scraper type loading machine

单斗式装货机    scraper type loading machine

刮油环?    scrapper ring

屏蔽室?    screen chamber

螺纹安装燃油喷射泵?    screw-mounted fuel injection pump

封闭式液冷系统?    sealed cooling system

座椅调节器?    seat adjuster

座椅安全带?    seat belt

二次空气?    secondary air

二次空气控制阀?    secondary air control valve

二次空气分配歧管?    secondary air distribution

二次空气转流阀?    secondary air diverter valve

二次空气喷射减速压阀?    secondary air injection relief valve

二次空气喷射装置?    secondary air injection system

二次空气喷射管?    secondary air injection tube

二次空气泵?    secondary air pump

二次空气转换阀?    secondary air switching valve

机油精滤器?    secondary oil filter

二级传感器?    secondary sensor

沉淀杯?    sediment bowl

自调式水封?    self-adjusting seal unit

半浮式活塞销?    semifloating piston pin

特种挂车    semi-trailer

半挂车?    semi-trailer

半挂牵引车?    semi-trailer towing vehicle

传感器?    sensor