поворотный шибер | |
therm.eng. | butterfly damper |
газоход | |
astronaut. | duct |
construct. | smoke flue |
ecol. | breaching; chimney |
met. | duct work |
котлоагрегат | |
tech. | boiler unit |
| |||
butterfly damper (Yerkwantai) |
поворотный шибер : 2 phrases in 1 subject |
Energy industry | 2 |