Sump pits are very common in Canada and if you have one it's a good time to test its' operation and install the discharge hose outside (away from your house of course).

集水坑在加拿大非常常见。如果你家有集水坑，现在需要检查一下其运行情况，在外面装上泄水软管(当然要在你家外面喽！)

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The igniting capacity of electrostatic discharge to space suits is investigated in the condition of pure oxygen and common air.

通过实验研究了在纯氧和普通大气条件下，静电放电对各种航天服的引燃能力。

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A of the site of all gain common characteristic is discharge can precipitate come down, the user is very active.

所有盈利的站点的一个共同特点就是流量能沉淀下来，用户都很活跃。

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Friendly fire and accidental discharge (which could injure the operator or others) are not as common as they could be without the training they give us about our responsibility to this deadly machinery.

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