Improved Energy Efficiency: Vacuum devices do not have blowout coils.

改善的节能：真空设备没有爆胎卷。

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Surface flashover of ceramic insulators used in vacuum devices restricts the insulating properties of the vacuum devices.

陶瓷绝缘子沿面闪络是制约电真空器件绝缘性能、影响设备正常运行的关键因素之一。

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It is necessary to solve openning-tube sampling problem for the mass-spectrometer analysis of residual gases in sealed vacuum devices.

密封真空器件内残气的质谱分析，必须解决开管取样技术问题。

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So far, LG has announced four Thinq devices including a vacuum, fridge, oven, and washer and dryer pair.

ENGADGET: LG's Thinq automated oven, refrigerator, and washer / dryer are the future now (hands-on)

Twenty of the wood and vacuum tube, AM-only devices, some dating back to the 1930s, are crowded into Brill's house.

FORBES: Magazine Article

Now strange charitable trusts and devices are filling the vacuum.

FORBES: The new giving game