The machine has double revolving table cutterbar, pneumatic compact, high precision of process and saw cutting at the same time.

双转台机，紧，双锯头同时，加工精度高。

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.

的比较鼻内镜下经口力系统行腺样体除术与常规腺样体刮除术的疗效。