网站首页 词典首页
In this paper, trial - manufacture and application of sandwich structure on diamond drill bit were studied.
采用 冷压 成型夹层和加灰(过渡层)热压烧结法制备了一种夹层结构金刚石钻头.
互联网
英汉翻译词典包含4367426条英汉汉英翻译词条,基本涵盖了全部常用英语单词及常用语的翻译及用法,是英语学习的有利工具。