| 单词 | scratch hardness test |
| 释义 | scratch hardness test [`skrach ¦härd·nǝs ´test] METALLURGY A hardness test in which a cutting point under given pressure is drawn across the surface of a metal, and the width of the scratch is measured. MINERALOGY A determination of the resistance of a mineral to scratching by testing it with minerals on the Mohs scale. |
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