Based on the above, we intend to develop a mine explosion-proof electrical frequency of integration in order to meet the needs of various types of coal production.

根据上述情况，我们拟研制一种矿用隔爆变频一体化电机，以满足各类煤矿生产的需求。

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The sensors work by detecting extremely low-frequency electrical activity over a distance of 5 microns (one micron being equal to one millionth of a metre).

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Low-frequency electrical stimulation prompts urine storage.

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Due to the frequency of electrical stoppages, the mayor demanded that Chongqing Konka's steady supply be given top priority.

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