单词：weld contour
单词：weld contour 相关文章
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用mp3背四级单词
Manfred Bietak was interested in the role played by the Nile in ancient times when he stumbled upon the strange truth about Piramesse. He was trying to trace the lost river beds and waterways of the Nile in order to map out what the Delta would have
遗失的法老城市
1.Computer-Aided Manufacturing(CAM) 计算机辅助制造 A: Is CAM used in China? B: Yes，it has been uesd in China for almost twenty years. A：在中国有使用CAM的吗？ B：有啊，在中国使用已经将近20年了。 2.Hot working 热加工 A: What are the hot working proc
天天商务口语
异构是相对于同构而言的。异构词是指在拼写上只相差一两字母的两个或几个单词，若异构词里有一个是我们所熟悉的，就可以拿来记忆其他不熟悉的异构词（GRE单词）。异构法最适合记忆中
雅思英语
With Mason refusing to survey the mountain, the job fell to Maskelyne. So for four months in the summer of 1774, Maskelyne lived in a tent in a remote Scottish glen and spent his days directing a team of surveyors, who took hundreds of measurements f
万物简史
navigability 适航性 dismantle 拆除 commemoration纪念 tilting 倾斜的 monorail 单轨铁路 ribcage 胸廓 weld 焊接 bolt 插销，螺栓 hydraulic 水力的 clamp 夹紧，固定住;夹钳，螺丝钳 axle 车轴 revolution 一周(转) cog
雅思英语