1993年时，该市开始利用和燃烧当地的废木料，到了1999年，开始依靠新型沼气厂生成的热来供暖。
By 1993, it was taking in and burning local wood wastes, and in 1999, it began relying on heat generated from the new biogas plant.
1993年时，该市开始利用和燃烧当地的废木料，到了1999年，开始依靠新型沼气厂生成的热来供暖。
By 1993, it was taking in and burning local wood wastes, and in 1999, it began relying on heat generated from the new biogas plant.
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