vacuum-tubes 真空电子管
Alundum powder for vacuum tubes 电真空器件用刚玉粉
Vacuum tubes specifications 真空管规格
ceramics for vacuum tubes 电真空瓷
Replaced vacuum tubes 取代真空管
Or Even Vacuum Tubes 甚至真空管
Tungsten-Thorium-Rhenium wires for vacuum tubes 电真空器件用钍钨铼丝
ceramic vacuum tubes 陶瓷真空管壳
In the periodic change of solar radiation intensity circumstances, the performance of vacuum tube collector is analyzed and the factors of affecting the efficiency and export water temperature of vacuum tube collector are found.
在太阳辐射强度周期变化的情况下,对真空管集热器的性能进行了分析,找出了影响真空管集热器热效率以及出口水温的因素。
参考来源 - 太阳能氨—水喷射—吸收制冷系统的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
同义词: tube thermionic vacuum tube thermionic tube electron tube thermionic valve
以上来源于: WordNet
N → another name for valve
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