英语词汇“head coal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

head coal

head coal n. Mining the uppermost portion of a thick seam of coal, esp. when left unworked for the present.

ΚΠ

1830 Edinb. Encycl. XIV. 355/2 The head coals are brought regularly down in large tabular masses, of such thickness as suits best with the free partings.

1883 W. S. Gresley Gloss. Terms Coal Mining Head-coal (S[cotland]), the upper portion of a thick seam of coal which is worked in two or more lifts.

2002 R. Armstead & S. L. Gardner Black Days, Black Dust (2003) xiv. 118 As he moved in, the head coal fell down over the loading machine. A chunk of coal snapped out of the top and hit the loader on the head.

extracted from headn.¹

as lemmas

单词	head coal
释义	> as lemmas head coal head coal n. Mining the uppermost portion of a thick seam of coal, esp. when left unworked for the present. ΚΠ 1830 Edinb. Encycl. XIV. 355/2 The head coals are brought regularly down in large tabular masses, of such thickness as suits best with the free partings. 1883 W. S. Gresley Gloss. Terms Coal Mining Head-coal (S[cotland]), the upper portion of a thick seam of coal which is worked in two or more lifts. 2002 R. Armstead & S. L. Gardner Black Days, Black Dust (2003) xiv. 118 As he moved in, the head coal fell down over the loading machine. A chunk of coal snapped out of the top and hit the loader on the head. extracted from headn.¹ < as lemmas
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