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- 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。
- An old cabinet TV and a vacuum tube radio, set amidst old appliances in this quaint old restaurant, evoke the flavor of the sixties. 拉门电视加上真空管收音机，怀旧餐厅在老家电陈设下，重现五十年代风情。
- 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。
- The Creative Imagination is the "receiving set," through which the vibrations of thought are picked up from the ether. 创造性想像力则是“接收机 组”，思考能量借之集中收拢。
- vacuum tube receiver [电] 真空管接收机
- In making the radio waves corre ond to each sound in turn ,me ages are carried from a broadcasting station to a receiving set. 使无线电波依次对每一个声音作出相应变化时，信息就由广播电台传递到接收机。
- Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
- In making the radio waves correspond to each sound in turn, messages are carried from a broadcasting station to a receiving set. 使无线电波依次对每一个声音作出相应变化时,信息就由广播电台传递到接收机。
- 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。
- In making the radio waves corre ond to each sound in turn, me ages are carried from a broadcasting station to a receiving set. 使无线电波依次对每一个声音作出相应变化时，信息就由广播电台传递到接收机。
- 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。
- 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。
- The Creative Imagination is the "receiving set" of the brain,which receives thoughts,released by the brains of others. 创造性想像力是大脑接受他人头脑释放出来的思想的“接收机组”。
