该硬度计适用于黑色金属、有色金属和非金属材料的硬度测定。

It can used to measure the Rockwell hardness of ferrous, non-ferrous metals and plastic materials.

youdao

该硬度计适用于黑色金属、有色金属和非金属材料的硬度测定。

It can used to measure the Rockwell hardness of ferrous, non-ferrous metals and plastic materials.

youdao