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- vacuum tube curve tracer 电子管特性图示仪
- 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。
- A specific vacuum tube which converts light into electrical energy. 把光转换成电能的一种真空管。
- 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 tube amplifiers used the first time in coast-to-coast telco circuits. 真空管放大器首次用于大西洋岸至太平洋岸的电信电路中。
- Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
- At last it pertinently brought forward some solved methods and measures which can decrease or amend the effect of tube curve to cannon firing accuracy. 最后有针对性的提出了一些减小或改善身管弯曲对火炮射击精度影响的解决方法和措施。
- automatic a.c.d.c.B-H curve tracer 交、直流磁特性自动记录装置
- The ancestor of these miniature electronic devices is the vacuum tube. 这些微型电子装置的鼻祖就是真空管。
- transistor characteristics curve tracer 晶体管特性曲线显示装置
- Or to reduce cost, add bassoon span of purpose, reduce vacuum tube amount. 或者为了降低成本,有意增大管间距,减少真空管数量。
- 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。
- Design of Simple Transistor Output Characteristics Curve Tracer 简易晶体管输出特性图示仪的设计
- The Simplified Transistor Characteristic Curve Tracer 简易晶体管特性图示仪
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries