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。
Use clamp ampere meter to measure the current and check if the heating power is normal.
用钳形表测量电流，检查发热功率是否正常。
Check if the clamp-sealing torque of packing gland accords with the standard specification.
检验填函盖的钳紧扭矩是否符合标准规格。
Flexible and convenient mesh frame clamp orientation setting is useful to check up the printing plate accurately in highest speed.
灵活便捷的网筐式持定位装置，利于最快速度精确对版。
Flexible and convenient mesh frame clamp orientation setting is useful to check up the printing plate accurately in highest speed.
灵活便捷的网筐式持定位装置，利于最快速度精确对版。
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