| 单词 | air duct |
| 释义 | air duct (once / 187609 pages) n WORD FAMILY air duct: air ducts USAGE EXAMPLESThey complained that the air ducts were clogged with pigeon droppings and that the de-condensation equipment malfunctioned. Washington Post(Nov 22, 2016) The officials say they’re not sure when the air duct broke. Washington Times(Aug 11, 2016) The officials say they're not sure when the air duct broke. US News(Aug 11, 2016) n a duct that provides ventilation (as in mines) Syn|Hypo|Hyper air passage, airway register an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room breather, schnorchel, schnorkel, snorkel, snorkel breatherair passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time upcastair passage consisting of a ventilation shaft through which air leaves a mine ventilation shafta shaft in a building; serves as an air passage for ventilation duct an enclosed conduit for a fluid |
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