Form: Vertical musical instrument type and airtight ventilation structure. The main control cabinet and the operation table are set up separately.
形式：自立型琴式密闭通风构造。主控柜和操作台分设。
Methods The 16 terms of functions of lung ventilation are obtained by measuring 167 sportsmen and 253 college healthy students separately, and SAS statistical software was used.
方法分别测定167名运动员和253名健康大学生16项肺通气指标并用SAS软件进行统计学处理。
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