As free drawing on the flat anvil, the size of feed plays the very important role to its drawing efficiency.
平砧上自由锻拔长，送进量的大小对其拔长效率起着至关重要的作用。
ANVIL: a small piece of ground and lapped steel attached to the frame of a micrometer; serves as a flat, fixed point from which measurements can be taken.
铁砧：一小块经过研磨和抛光的铁块，附于千分尺上面作为平直固定的测量参考点。
ANVIL: a small piece of ground and lapped steel attached to the frame of a micrometer; serves as a flat, fixed point from which measurements can be taken.
铁砧：一小块经过研磨和抛光的铁块，附于千分尺上面作为平直固定的测量参考点。
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