| |||
admission port | |||
suction port | |||
admission opening | |||
air inlet | |||
admission hole; air intake opening; air slot; air inlet opening; air inlet port | |||
air-intake | |||
air supply opening | |||
air intake; inlet opening | |||
| |||
air admission hole in a milking machine | |||
| |||
air intake opening | |||
| |||
feed inlet |
进 气 孔 : 26 phrases in 9 subjects |
Automobiles | 10 |
Compressors | 2 |
Earth sciences | 1 |
Engineering geology | 2 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 1 |
Pest control | 1 |
Space | 2 |
Technology | 6 |