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    壓縮天然氣(Compressed Natural Gas,簡稱CNG)是天然氣加壓并以氣態儲存在容器中的天然氣產品。壓縮天然氣主要成分為甲烷(CH4),主要用作車輛燃料,是一種理想的車用替代燃料。

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