工业的牙齿
工业的牙齿-
1923年德国人发明WC-Co硬质合金[1]，首先用于机械切削加工，被称为工业的牙齿。
Sintered carbide ( WC-Co ) was invented by Germany in 1923 , which was used in machinery cutting at first .
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硬质合金被称为工业的牙齿，是现代工业部门和新技术领域不可缺少的工具材料和结构材料。
Cemented carbides , which are called industral tools , are indispensable tool and structural materials in modern industral and new technology field .
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1923年德国施律泰尔发明WC-Co硬质合金，迅速形成硬质合金切削刃具和硬质合金凿岩钎具两大产业，使机械和采掘工业飞速发展，被誉为工业的牙齿。
Cemented carbide which is known as the teeth of industry , was invented by Germany in 1923 and used in excavating after world war ⅱ .