词性标注模式下，分词分不开

文本
```
化氏一味新品国民二代鱼竿手竿碳素超轻超硬钓鱼竿鲤鲫鱼竿渔具37调台钓竿综合竿 国民钓竿II代5.4米
```
分词结果
```
['化氏一味新品国民二代鱼竿手竿碳素超轻超硬钓鱼竿鲤鲫鱼竿渔具37调台钓竿综合竿 国民钓竿II代', '5.4米'], ['nw', 'm']]
```

Reproduce the reported result in part-of-speech tagging mode using the supplied Chinese text and compare the segmentation with the expected word boundaries. Trace the segmentation and tagging path to determine why the text remains largely unsplit; done means the input is segmented appropriately while retaining correct part-of-speech output.

Written by the indexing model from the issue text.