邓肯多重差距检定
Duncan multiple range test
比例重定控制器
proportional reset controller
称重和定重心工程师
weight-and-balance engineer
初始涡旋重定位
relocation of initial vortex
粗纱重定量
big ration in roving process
定长定重
appointed length and weight
Fixed Length and Weight
Constant length and weigh t