The invention refers to a kind of gas-liquid countercurrent reaction method, especially the method of hydrocarbon countercurrent hydrogen processing craft.

本发明涉及一种气、液逆流反应方法，特别是烃类逆流加氢处理工艺方法。

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When the bus's fuel processing system converts methanol to hydrogen, it also produces carbon dioxide, but at lower levels than diesel engines.

CNN: Bus showcases fuel cell technology