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The research team developed a new superhard coating that protects drill bits in extreme environments.
See correct answer
The research team developed a new superhard coating that protects drill bits in extreme environments.
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Related words
superhard
Adjective
not-comparable
Japanese Meaning
非常に硬い / 鉱物学では、ボロンナイトライドとダイヤモンドの硬さの中間の硬さを持つ
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