当空间不够时，WrappingLayout通过换行或换列包装它管理的视图。

WrappingLayout wraps the views it manages by changing lines or columns when it runs out of space.

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键值列是pi/po（换进/换出的页面），这表示了对多少页面进行了交换。

The key columns are the pi/po (page in/page out), which indicate how many pages have been exchanged.

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拉线轮采用一列式排列，连续拉制，在线退火，机械、电气速度均衡匹配，操作方便，实现快速换模。

Lines using a round-order, drawn in a row, the annealing line, machinery, electrical balance to match the speed, user-friendly, fast-for-mode.

youdao

拉线轮采用一列式排列，连续拉制，在线退火，机械、电气速度均衡匹配，操作方便，实现快速换模。

Lines using a round-order, drawn in a row, the annealing line, machinery, electrical balance to match the speed, user-friendly, fast-for-mode.

youdao