这里主要介绍几种新型刀具材料的性能特点。
The performance characteristics of several new cutting tool materials are reviewed.
主要介绍了复合材料裙用高性能树脂配方的研究。
The study of high performance resin formula for composite skirt is presented.
本文主要介绍材料的制备和元件的结构设计。
The preparation of material and the structural design were introduced in this article.
本文主要介绍材料的制备和元件的结构设计。
The preparation of material and the structural design were introduced in this article.
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