Other kinds of metal working machines are not so widely used in machining metals as these three.

其他类型的金属加工机器不像这三种机床那样广泛应用在机器加工金属上。

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Machining of steels, alloy steels with higher toughness, yellow metals and aluminium alloys.

推荐使用于钢材、较难加工的合金钢、黄色金属、铝合金的加工。

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As a new technology, freeze cutting has fond a effective cutting way for some intractable metals and has application value for the machining of the special industry.

作为一门新技术，冷冻加工为某些特殊难加工金属材料开辟一条有效的切削途径。

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Perhaps some more sophisticated methods of attack, based upon the development of high-tech metals and machining, but there is really nothing particularly new.

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