| 单词 | tungsten carbide |
| 释义 | > as lemmastungsten carbide tungsten carbide n. either of two compounds of tungsten and carbon, WC and W2C, that are very hard and are used for cutting tools and abrasives. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > tungsten > [noun] > compounds tungsten carbide1899 1899 Jrnl. Chem. Soc. 76 ii. 104 On heating a mixture of tungstic anhydride.., iron.., and petroleum coke.., an iron tungsten carbide..is obtained. 1930 Engineering 14 Nov. 634/2 The enhanced cutting properties of the newer cutting steels, such as the tungsten-carbide tools. 1963 C. R. Cowell et al. Inlays, Crowns, & Bridges iii. 12 Penetrate to just within the dentine, using a small round tungsten-carbide bur. 1973 Sci. Amer. July 42/1 Tungsten carbide, a cermet, has long been used as a cutting tool. < as lemmas |
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