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- vacuum tube test set 电子管测试器
- 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。
- The test set operates both the bleed valve and solenoid valve independently. 测试仪可以对排泄阀和螺线管阀分开操作。
- 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。
- Fig.8. The ROC curves for our detectors on the MIT+CMU frontal face test set. 图8.;人脸检测器在MIT+CMU的正面人脸检测库上测试，得到的ROC曲线。
- Change some of the load test settings. 更改一些负载测试设置。
- Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
- 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。
- Proctor Test Set is a tool used by Telco personnel to diagnose problems with phone lines. 代理测试集是电讯工作人员用来检测电话线路问题的一种工具。
- Eustachian tube test revealed 208 abnormal ears out of 362 ears, and 67 abnormal ears were found in 203 ears with type A tympanogram. 在 362耳中，咽鼓管功能异常208耳，在 A型鼓室导抗图 203耳中，咽鼓管功能异常67耳。
- 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。
