您要查找的是不是:
- Solar Vacuum Telescope 太阳真空望远镜
- Diangong Solar vacuum tube heat collector. 电工太阳能真空管集热器.
- solar vacuum heat collecting tube 太阳能集热管
- all-glass solar vacuum tubular collector 全玻璃真空管太阳能集热器
- Solar vacuum tube collector with line focus concentrator 线聚焦太阳能真空集热管
- She swivelled the telescope (round). 她用望远镜向四周看。
- He was too poor to buy an astronomical telescope. 他太穷了,买不起天文望远镜。
- Solar energy is a new kind of source of energy. 太阳能是一种新型能源。
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- He slipped the telescope into a steel tube. 他将望远镜收进一根钢管内。
- What is the range of this telescope? 这架望远镜的有效距离多大?
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- We can use solar energy to do many things today. 如今,我们可以利用太阳能做很多事情。
- They accurately predicted solar eclipses. 他们精确地预告了日蚀。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- The solar system was formed 4.5 billion years ago. 太阳系是四十五亿年前形成的。
- A telescope equipped to photograph the sun. 太阳(全色)照相仪装备来拍摄太阳的望远镜
- He gave a lecture on the use of solar energy. 他就太阳能的利用作了一场讲演。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
