涡轮增压器空气进气管
turbocharger air inlet piping
支气管气道狭窄
tracheobronchial stenosis
进气道气门口
Inlet Port of Induction Passage
A级管道阀门
the A-level pipeline valve
PE燃气管道
PE gas pipe
polyethylene gas pipeline
PE Gai-fired Pipe
壁式氧气管道装置
mural oxygen tube equipment
不凝气管道
non-condensable gas pipeline
长距离输气管道
long distance gas transmission pipeline