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- vacuum tube power meter 电子管功率计
- 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.
- Zhejiang Huabang Electric Power Meter Co., Ltd. 浙江华邦电力仪表有限公司。
- 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。
- The Tactical Order Select system also effects the power meter and its stocks. 战术选择系统同样会影响能量槽和能量点。
- 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。
- Completing all the following steps will also calibrate the battery so that the power meter readings are accurate. 完成所有步骤后;也将校准电池;使电力抄表准确.
- 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。
- The battery is now calibrated and the battery level reading on the power meter is now accurate. 电池是现在和校准电池的阅读水平;对电能表现准确.
- In this paper,the principle of making an optical power meter using the amplifier and silicon photocell is introduced. 介绍使用运算放大器以及硅光电池制作光功率计的原理以及制作的过程。
- Then the output S/N is calibrated DA with the dynamic signal analizer and power meter. 摘要介绍一种用动态信号分析仪测定强化木地板榫接部位横向变形量大小的方法。
- 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。
- JW3201 Single Channel Benchtop Power Meter is a test instrument with high precision and wide measurement range. JW3201单通道台式光功率计是嘉慧公司开发设计的高精度、宽量程光功率检测设备。
