一种以阻断氧气，破坏自然对流，使火焰在自身产生的二氧化碳气体中窒息的方式灭火的人力灭火机。

The utility model discloses a manual fire extinguisher in the manner of oxygen-insulating to break natural convection, which extinguishes the fire by the carbon dioxide generated by the fire itself.

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首先玉米蛇利用口器牢固地咬住猎物，然后利用自身细长的身体迅速将猎物缠绕几圈，同时身体进行强而有利的收缩，直到猎物窒息而死。

First a corn snake bites the prey in order to obtain a firm grip, then it quickly wraps one or more coils of its body around the victim. The snake squeezes tightly until it suffocates the prey.

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