[医]落锤锻;
on account of the high pressure and squeezing action, it operates with less noise and vibration than a drop-forge.
由于较高的压力和挤压作用,它比落锤锻造噪声及振动都小得多。
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。
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