金剛砂的英文:
corundum
electrolon
emery

參考例句:
  • emery bag
    (磨針用的)金剛砂袋
  • The emery is a hard metallic substance.
    金剛砂是非常堅硬的金屬物質(zhì)。
corundum是什么意思
n. 剛玉,金剛砂

  • It is closely related to the corundum structure except that the cations are of two different types
    除了陽離子是兩種不同種類以外,它和剛玉構(gòu)型非常接近。
  • The utility model relates to a corundum sieve tube used in the field of oil field and oil well production.
    本實用新型涉及油田油井開采領(lǐng)域中用到的一種剛玉篩管。
electrolon是什么意思
金剛砂

    emery是什么意思
    n. 金剛砂

    • They infiltrated behind the lines so as to annoy the emery replacements.
      他們滲透敵后以便騷擾敵軍的調(diào)度。
    • Remove the scratches on the hook point using a fine emery paper.
      請用細砂紙或銼刀研磨旋梭尖的傷痕。

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