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- Sunlight energy is collected by glass vacuum tube and metal superconductive tube transmits heat to the pressure-bearing water tank to heat up water. 太阳光能量通过玻璃真空管采集，由金属超导热管传热至承压水箱内把水加热。
- All glass vacuum tubes are the key component of solar collectors. 全玻璃真空管是太阳能集热器中的关键部分。
- It owns the largest-scale production base of all glass vacuum tubes in China, and has over 100 producing lines. 拥国内规模最大的全玻璃真空镀膜管生产基地，拥有100多条镀膜管生产流水线。
- The relation of solar raiation got by a all - glass vacuum tube and the angel of its installation 全玻真空管太阳能辐射量与其放置角度的关系
- Can all glass vacuum collector tube operate with water inletting? 全玻璃真空集热管不能顶水运行吗?
- Economic Evaluation of the Whole Glass Vacuum Tube Solar Water Heater in Zhengzhou Area 郑州地区全玻璃真空管太阳能热水器的综合评价
- Diangong Heat tube Vacuum tube heat collector. 电工太阳能热管真空管集热器.
- Diangong Solar vacuum tube heat collector. 电工太阳能真空管集热器.
- Not any air gets into the vacuum tube. 没有空气能进入真空管。
- John Ambrose Fleming invents the vacuum tube. 1904年的今天，约翰·安布鲁斯·弗莱明发明了真空管。
- An electron tube or a vacuum tube. 电子管或真空管。
- Lee de Forest invents the vacuum tube. 李.;德福雷斯特发明电子管。
- complete glass vacuum tube 全玻璃真空管
- glass vacuum tube 玻璃真空管
- All glass vacuum filter holders: Classical design,they are used conveniently. 溶剂过滤器：经典设计，使用便捷。
- A specific vacuum tube which converts light into electrical energy. 把光转换成电能的一种真空管。
- Both high techniques are optimally combined to largely raised up heat collection feature, this is why superconductive tube + glass vacuum heat collecting tube has magic force. 这就是超导热管+玻璃真空集热管的神奇魔力。
- Heat resistance soft vacuum tube avoids damage by hot nozzle. 防热真空软管,免被热吸咀误损。
- Battery used to maintain the grid potential in a vacuum tube. 能够保持潜藏在真空管内的栅格的电池。
- Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
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