Without the greenhouse gases carbon dioxide and water vapor to trap heat, for example, Earth would be frozen solid.

如果没有温室效应释放二氧化碳和水蒸气以起到保温作用，地球就会凝结成固体。

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There is always frozen water in front of the trap forming water block to avoid steam leaking.

阀前始终有凝结水，形成水封，无蒸汽泄漏。

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There is always frozen water in front of the trap forming water block to avoid steam leaking.

阀前始终有凝结水，形成水封，无蒸汽泄漏。

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