问题描述：
英语翻译
the stationary steam engine was puffing in the factory and mine.这句中的puffing 原句是这样的：In some industrial regions,heavily laden wagons,with flanged wheels,were being hauled by horses along metal rails; and the stationary steam engine was puffing in the factory and mine.
the stationary steam engine was puffing in the factory and mine.这句中的puffing 原句是这样的：In some industrial regions,heavily laden wagons,with flanged wheels,were being hauled by horses along metal rails; and the stationary steam engine was puffing in the factory and mine.
问题解答：
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