- switching section br>
- 倒换: rotate; take turns
- 段: section; segment; part; para ...
- 换段: band switch
- 倒换: 1.(轮流替换) rotate; take turns 倒换着看护伤员 take turns looking after the wounded2.(掉换) rearrange (sequence, order, etc.); replace; 倒换段 switching section
- 变换段: transforming section
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