The small serrated edge tracingwheel is used for most fabrics.
大多数面料可用小的、锯齿边的擂盘。
2
TracingWheel: used to transfer pattern markings to fabric with tracing paper.
擂盘：用擂盘将样板上的线条转移到面料上。
3
This research is mainly addressed on solving the weld seam tracing problems existing in design of wheel mobile robot based spherical tank welding robot.