manual extinguisher
常见例句
- 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.
一種以阻斷氧氣,破壞自然對流,使火焰在自身産生的二氧化碳氣躰中窒息的方式滅火的人力滅火機。
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