单词：regeneration oscillator
再生振荡器
单词：regeneration oscillator 相关文章
841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、
发表于:2018-11-29 / 阅读(253) / 评论(0)
英文名句短语
英文名句短语
Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping
发表于:2018-12-31 / 阅读(151) / 评论(0)
英语听力文摘 English Digest
英语听力文摘 English Digest
Sports stars and politicians are in London to tour the Olympic Park construction site, where in exactly two years athletes from around the world will compete in the 2012 Games. Despite cost concerns, British authorities say they are ahead of schedule
发表于:2019-01-13 / 阅读(130) / 评论(0)
VOA标准英语2010年(七)月
VOA标准英语2010年(七)月