今有大量的微型手电筒问世，但一款可折叠起来，小得足以放入口袋的灯泡是不是很稀奇呢？

There are plenty of tiny torches out there, but how about a flat-pack light that is small enough to fit in your wallet.

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从表格中删除线圈，约束与脊髓，使其形成一个环，并连接两端的插座，可以容纳一个微型手电筒灯泡的终端。

Remove the coil from the form, bind it with cord so that it forms a ring, and connect the ends to the terminals of a miniature socket that accommodates a flashlight bulb.

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