1. The machine has double revolving table cutterbar, pneumatic compact, high precision of process and saw cutting at the same time.
   双转台切割机，气动压紧，双锯头同时切割，加工精度高。
2. Objective The aim of this study was to compare the effectiveness of dynamical system cutterbar via nasal endoscope for adenoidectomy by mouth and rout curettage of adenoids.
   目的比较鼻内镜下经口动力系统切割器行腺样体切除术与常规腺样体刮除术的疗效。

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