Making hydrogen by electrolyzing water is energy intensive and can be expensive.

通过电解水制造氢气,能源消耗大而且价格昂贵.

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The emerging cityscape is often dazzling, but also energy intensive and polluting.

日新月异的城市面貌常常令人眩目, 但也意味着更多的能源消耗和污染.

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Biological processes are the least energy - intensive and the most environmentally friendly and sustainable of the three.

其中生物学的方法是三种方法中耗能最低、最为环保的可持续发展的方法.

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Some energy - intensive products for export no longer qualify for special taxan attempt to encourage energy efficiency.

为鼓励提高能源利用率,一些用于出口的资源 密集型 产品不再享受减免税待遇.

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Drying is widely used in production and lives, but common dryers are energy - intensive.

干燥是一种耗能较大的传统工艺过程,广泛应用于生产、生活等领域.

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As the basic industry in the national economy, the iron and steel industry is energy - intensive .

钢铁工业是国民经济的基础工业, 同时也是能源 密集型 产业.

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China once relied on labor and energy intensive products to increase its export.

中国曾经为了增加出口而依赖劳动和能源密集型产品.

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