raccord d’arrivée d’air
/ʁakˈɔʁ daʁivˈe ˈdɛʁ/
n
English: air hose connection · 进气接头
Sens：Threaded part receiving a flexible tube; it is connected to a compressor that allows the compressed air into the body of the gun.
English: air hose connection · 进气接头