... 锻练度 forge degree 锻炉风扇 forge fan 锻炉用火 forge fire ...
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The forge is blown with with a fan, but formely they used bellows and it was a hard work, if an order was urgent, a customer had to blow the forge himself.
在以前他们使用的是手风箱，工作起来非常辛苦，如果东西要得急，客人还得自己去拉风箱。
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