vacuum switch tube真空开关管
vacuum-tube generator真空管振荡器
vacuum-tube voltmeter电子管电压表;[电] 真空管电压表;真空管电压计
vacuum thermionic tube detector真空热离子管检波器
vacuum advance tube真空提前管
vacuum conveyer tube真空输送管;翻译
vacuum-tube ageing真空管时效
Vacuum furnace tube真空炉管
vacuum sampling tube真空取样器
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N（名词） → another name for valve