| 单词 | meteor powder |
| 释义 | > as lemmasmeteor powder ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > steel alloys meteor powder1827 meteor steel1827 meteoric steel1831 alloy steel1887 alnico1935 1827 Repertory Patent Inventions 3 206 The mixture..we call meteor powder. a1877 E. H. Knight Pract. Dict. Mech. II. 1426/2 It is rendered friable by pouring it into cold water, is reduced to powder, called meteor-powder, and is added to steel in a crucible. < as lemmas |
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