求翻译：注水完毕（以中间满水口出水为宜），在培养架上放置各培养皿时应保持适当的间隔，利于冷热空气的对流。每次使用前应检查水位，脱水会使加热管爆裂短路，发生危险。是什么意思？

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The irrigation finished (take among full drainage opening water leakage as suitable), lays aside various culture dishes when raise should maintain the suitable gap, favors the cold hot air the convection.Before each time uses should inspect the water level, the dehydration can cause the heating pipe

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