Equipment manufacture drawing: hopper and weighing device.
设备制造图：料斗，称量。
Pull out of the wire, precise size, smooth surface, and the use of drawing equipment and mold is simple, easy to manufacture.
拉出的丝，尺寸精确，表面光洁，且所用拉拔设备和模具简单，制造容易。
Pull out of the wire, precise size, smooth surface, and the use of drawing equipment and mold is simple, easy to manufacture.
拉出的丝，尺寸精确，表面光洁，且所用拉拔设备和模具简单，制造容易。
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