air chamber
气室
气
空
气室气室
空气室气体容室
空气室
空气腔
空气分级机
空气滤清器
气腔
气囊
气垫式调压室
呼吸腔
air chamber type pulse-jet bag filter
air chamber water shock absorber
atmospheric air chamber
thoracico-abdominal air chamber
Air Leakage Rate of Air Preheater
air to air heat recovery unit
air to air missile launching envelope
arctic air [= arctic air mass]
continental air [= continental air mass]
main air port exhaust air
marine air [= marine air mass