The special design of the needle clamp is easy to clean up and to minimize the damage. 5, Suitable for knitting materials sewing.

特殊针夹设计，易于清理积塞的线布屑以减少损坏及故障。5、适用于针织材料的车缝。

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Methods: Adopt analytic approach of reviewing method, statistic the producing rate lung cancer by four different ways to draw materials including clamp check, brush check, rinse and needle aspiration.

方法：采用回顾性分析法，分别统计钳检、刷检、冲洗及针吸活检4种不同取材方法对肺癌的检出率。

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