| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024Vick′ers num′ber, [Metall.]- Metallurgya numerical expression of the hardness of a metal as determined by a test (Vick′ers test′) in which the sample is indented under a known pressure by the point of a diamond and the surface area of the indentation is divided into the amount of pressure applied.
- after Vickers Armstrong Ltd., British steel firm
|