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单词 face airing
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face airing
face airing n. Mining (now historical) the ventilation of the working face in a mine.
ΚΠ
1849 Mining Almanack 407 Face airing, the current passed round the extremity of the workings.
1883 W. S. Gresley Gloss. Terms Coal Mining 99 Face airing, that system of ventilating the workings which excludes the airing of the goaves.
1951 H. F. Bulman & R. A. S. Redmayne Colliery Working & Managem. (ed. 5) 10 About 1760 his son, James Spedding, introduced ‘coursing the air’ in place of ‘face airing’.
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更新时间:2024/11/10 23:17:41