英语词汇“brinell hardness”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	brinell hardness
释义	bri·nell hardness \brə̇ˈnel-, ˈbriˌn-\ noun Usage: usually capitalized B Etymology: after Johann A. Brinell died 1925 Swedish engineer : the hardness of a metal or alloy measured by a manually operated vertical hydraulic press in which a hard steel or carbide ball of standard size (as 10 millimeters in diameter) is pressed with a standard load (as 3000 kilograms) into the specimen of metal or alloy under test, the resistance to penetration being expressed by a number denoting the applied load in kilograms divided by the spherical area of indentation in square millimeters
随便看	therm therm- -therm therm thermae thermal thermal thermal agitation thermal ammeter thermal analysis thermal barrier thermal belt thermal black thermal capacity thermal conduction thermal conductivity thermal converter thermal cracking thermal cutout thermal death point thermal diffusion thermal diffusivity thermal efficiency thermal effusion thermal electromotive force

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