According to the central limit theorem, the writer analyses the using case of air splicer, and clarifies the using distribution of air splicer, obtains the statistic on air consumption of air splicer.

• 运用中心极限定理对空气捻接器的使用情况进行分析,明确了空气捻接器的使用分布情况,得出了空气捻接器耗气量的统计数据。