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The sensible heat given by gas is used to preheat and dry fuel.
感热的气体被用来给预热和干燥的燃料。
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Refinery dry gas is an important chemical feedstock and fuel.
厂干气是重要的化工原料和燃料。
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Refinery dry gas is an important chemical feedstock and fuel.
厂干气是重要的化工原料和燃料。
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