连词成句。

1. circle, is, This, a

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2. I, three, see, triangles

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3. my, sleep, I, in, bed

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4. bathroom, is, my, This

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5. window, square, a, The, is

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充换电站如需通过利用储能电池向电网送电，必须按照公司分布式电源要求办理相关手续，并采取（）等措施。