YHA101排气测控装置
air exhaust measuring and monitoring device YHA101
ЭИ69堆焊排气门
69 pad welded exhaust valve
安全阀排气压力
gas vent pressure of safety valve
安全壳应急排气系统
containment emergency off-gas system
变排气量泵
Variable-displacement Pump
柴油机排气
Diesel exhaust
diesel emissions
Exhaust emissions of diesel engine