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大多数建筑物都用煤气或油炉取暖。
Most buildings are heated by gas or oil burners.
youdao
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排渣装置现在正被用于向油炉运送汽油。
The dirt leg for the furnace is being used for gas to the stove.
youdao
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排渣装置现在正被用于向油炉运送汽油。
The dirt leg for the furnace is being used for gas to the stove.
youdao