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来源:雅诚德英语网
A heavy forge hammer having a pivoted lever by which it is tilted up and then allowed to drop.
锻造用的重锤,通过带枢轴的杠杆将它倾斜抬起,然后落下。
A heavy forge hammer having a pivoted lever by which it is tilted up and then allowed to drop.
锻造用的重锤,通过带枢轴的杠杆将它倾斜抬起,然后落下。