中国北方传统的冬季取暖方式，是火炕，只加热很小的面积。推广的天然气取暖装置，加热整个房子。成本在四千元以上，农民很难负担

来源: thore 于 2026-01-13 04:29:38 [旧帖] [给我悄悄话] 本文已被阅读：次

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