| 单词 | ventilation duct |
| 释义 | > as lemmasventilation duct General use as a modifier in sense 5a, as in ventilation duct, ventilation-fan, ventilation-pipe, ventilation shaft, etc. Π 1807 A. Rees Cycl. (1819) VIII. at Coal The air or ventilation shaft, having a common roll and winch handle erected over it. 1823 J. Vallance Let. on Properties of Air which relate to Caloric 101 The end of the ventilation pipe is immersed a few inches in the water. 1889 J. J. Welch Text Bk. Naval Archit. 133 Where..platforms are pierced for ventilation purposes. c1890 W. H. Casmey Notes Ventilation 7 We must bring the ventilation-fan to our aid. 1937 Discovery Nov. 345/1 The original roof of the Saxon chapel was almost certainly of wood, probably with ventilation ducts or cowls of a shape which may have suggested to the 16th century builders their idea for the dormer roof lights. 1962 F. I. Ordway et al. Basic Astronautics xii. 473 A bulky ventilation suit worn under the full pressure suit. 2021 Hiru News (Sri Lanka) (Nexis) 26 Nov. The incident started when coal dust in a ventilation shaft caught fire on Thursday, filling the Siberian mine with smoke. < as lemmas |
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