brinell hardness standard machine
短語詞組
- 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) 返回 brinell hardness standard machine