基本解釋[物理學(xué)]布氏硬度值[化學(xué)]布氏硬度值[機(jī)械工程]布氏硬度值[能源科學(xué)技術(shù)]布氏硬度數(shù)詞組短語短語Brinell l hardness number 布氏硬度數(shù)BHN Brinell Hardness Number 布氏硬度值brinell hardness number更多詞組英英字典柯林斯英英字典 a measure of the hardness of a material obtained by pressing a hard steel ball into its surface it is expressed as the ratio of the load on the ball in kilograms to the area of the depression made by the ball in square millimetres brinell hardness number劍橋字典brinell hardness number柯林斯字典專業(yè)釋義物理學(xué)布氏硬度值化學(xué)布氏硬度值機(jī)械工程布氏硬度值能源科學(xué)技術(shù)布氏硬度數(shù)