侵染线进入根的皮层细胞并进行分枝。

The infection-thread enters and branches in cells of the root cortex .

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结论本地区结核病人对一线抗痨药物耐药情况较为严重，非结核分枝杆菌感染比例较高，在今后工作中值得重视。

Conclusions The drug resistance of this region were serious and infection of NTM was higher too, so we should attach importance to this problem in our future work.

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