车轮磨耗预测
Prediction of Wheel Profile Wear
一车一档系统
one vehicle one document system
一次磨细-正浮选
one fine grinding-positive floatation
一次一密
once a key
one-time pad
one-time-pad
one-time key
one time pad
One-time password
different keys in each encryption
One-time One-password
one-time padding
一次一字符打印机
character-at-time printer
character-at-a-time printer