英语语法分析

This paper deals with the crevice structure in boride layer.

对渗硼层中的夹缝组织进行了分析研究。

Otherwise, a kind of needle-shaped boride will appcar on the surface of specimen.

本文重点研究了这种针状硼化物的形成机理及其影响因素。

The preparation of ternary boride hard alloy cladding layer on steel substrate is studied.

研究采用铸渗法制备三元硼化物硬质合金覆层钢基材料。