基本解釋[數(shù)學(xué)]佈氏硬度標(biāo)準(zhǔn)機(jī)詞組短語短語primary Brinell hardness standard machine 原級(jí)勃氏硬度標(biāo)準(zhǔn)機(jī)secondary Brinell hardness standard machine 副基準(zhǔn)佈氏硬度機(jī)Working standard Brinell hardness machine 工作基準(zhǔn)佈氏硬度機(jī)brinell hardness standard machine更多詞組專業(yè)釋義數(shù)學(xué)佈氏硬度標(biāo)準(zhǔn)機(jī)