单词：copper silicon wrlding rod
铜硅焊条
单词：copper silicon wrlding rod 相关文章
文本： Businessman 1:...The company had sales of eight-point four million Euros last year....The owner - a British industrialist named Simon Porter - has developed a proprietary solar panel technology,using a new kind of monocrystalline silicon wa
发表于:2018-12-28 / 阅读(23) / 评论(0)
小龟乐游记英语短文
小龟乐游记英语短文
Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli
发表于:2019-01-26 / 阅读(77) / 评论(0)
经济学人综合
经济学人综合
As you might expect, oxygen is our most abundant element, accounting for just under 50 percent of the Earth's crust, 你也许会想到，氧是最丰富的元素，占地壳的将近50%。 but after that the relative abundances are often surprising.
发表于:2019-02-25 / 阅读(37) / 评论(0)
万物简史
万物简史