“mineral black”的概念、定义、翻译、参考文献-科学参考

单词	mineral black
释义	mineral black [`min·rǝl ¦blak] ^MATERIALS Black pigment made from ground slate, shale, coke, coal, or slaty coal; used in inks, plastics, and coatings.
随便看	balanced surface balanced translocation balanced transmission line balanced-tree balanced valve balanced voltages balanced wire circuit balance equation balance error balance method balance pipe balancer balancer set balance shot balance spring balance tool balance-to-unbalance transformer balance wheel balancing balancing a survey balancing band balancing capacitor balancing delay balancing plug cock balancing unit

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