Ferrous metals, non-ferrous metals, IC thin sections, coatings, ply-metals; Glass, ceramics, agate, precious stones;Hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers.是什么意思_Ferrous metals, non-ferrous metals, IC thin sections, coatings, ply-metals; Glass, ceramics, agate, precious stones;Hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句