侧壁式风栅[Side wall wind grid]

特大口径螺旋风管[Large diameter spiral air duct]

扁圆螺旋风管[Flat spiral duct]

S型非绝热软管[S type non adiabatic hose]

R型非绝热螺旋风管[R type non adiabatic spiral duct]

PB型预绝热弯头[PB type pre heating elbow]

弃锚器[Anchor anchor]

菌型通风筒[ Bacteria type ventilator]

金属弹性支承[Metal elastic support]

管道消音器[Pipe silencer]

固定悬挂吊架[Fixed hanger]

钢质小型舱口盖3[Small steel hatch cover]