网站首页 情感咨询 情感美文 情感百科 情感生活 学习充电 旧版美文
The hot dipping alumetizing technology for 20G seamless steel tube was studied.
对20G无缝钢管的热浸渗铝工艺进行了研究和试验。
Abstract: The hot dipping alumetizing technology for 20G seamless steel tube was studied.
依恋情感网英汉例句词典收录3870147条英语例句词条,基本涵盖了全部常用英语单词的释义及例句,是英语学习的有利工具。