The principle materials used for tools can be divided into three major categories: ferrous material, nonferrous material, and nonmetallic material.
用来做工具的主要材料可以被分为三大类:黑色金属材料,有色金属材料,非金属材料。
These products are used for cutting of hypodermic needles, watch parts, exhaust convertor tubing and other stainless steel or some nonferrous material.
该产品主要用于医用针头钟表配件汽车尾气管及其它一些不锈钢非金属材料的切割。
Diamond is the best material of cutting-tools to cut nonferrous metals.
金刚石是切削有色金属的优选刀具材料。
The Current research status, potential advantages and outlook of ferrous, nonferrous rare metals and precious metals material of Yunnan in 2005 are summarized and reviewed.
评述了云南省2005年黑色金属、有色金属、稀贵金属和陶瓷材料等的研究状况,分析了潜在优势并展望了未来前景。
Nonferrous metals is the important part of original material industry in our country.
有色金属是我国原材料工业的重要组成部分。
Nonferrous metals is the important part of original material industry in our country.
有色金属是我国原材料工业的重要组成部分。
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