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单词 blow-through cock
释义

> as lemmas

blow-through cock
blow-through n.
Brit. /ˈbləʊθruː/
,
U.S. /ˈbloʊˌθru/
(a) the process of blowing steam through the cylinder of an engine, etc., to clear it of air; used attributively in blow-through cock, blow valve; (b) defining a jet or lamp for the blowing of oxygen through a flame against lime or magnesium to produce a brilliant light.
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society > occupation and work > equipment > machine > machines which impart power > boiler > [adjective] > apparatus for blowing off steam
blowing-off1863
blow-througha1877
a1877 E. H. Knight Pract. Dict. Mech. I. Blow-through valve.
1892 Photogr. Ann. II. 231 Blow-through jet.
1906 Westm. Gaz. 24 Nov. 14/2 A blow-through lamp.
extracted from blow-comb. form
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as lemmas
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