序号应按顺时针或逆时针方向排列整齐，若在整个图上无法连续时可只在水平或垂直方向顺次排列。
If the number can not be sequenced continually on the drawing, one can arrange them in order along the horizontal or vertical directions.
序号应按顺时针或逆时针方向排列整齐，若在整个图上无法连续时可只在水平或垂直方向顺次排列。
If the number can not be sequenced continually on the drawing, one can arrange them in order along the horizontal or vertical directions.
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