It serves to measure the hardness of ferrous, non-ferrous metals, hardmetals, Carburized or nitrided layers,other chemical treating layers.It is also used to for the hardness test of thin pieces.是什么意思_It serves to measure the hardness of ferrous, non-ferrous metals, hardmetals, Carburized or nitrided layers,other chemical treating layers.It is also used to for the hardness test of thin pieces.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句