英语语法分析

Hard alloy, refractory metal, superhard alloy (diamond) products, etc.

硬质合金、难熔金属、超硬合金(金刚石)制品等。

In this paper a new kind of superhard abrasive with corundum-coating was introduced.

本文介绍了一种新型的刚玉涂覆的超硬磨料。

The difficulty of dressing superhard wheel is one of the main obstruction to popularize application in industry.

超硬砂轮修整的困难，是生产上推广应用的主要障碍之一。