turn Ratio of constant proportion的意思|示意
美 / /
英 / /
恒比比例
turn Ratio of constant proportion的网络常见释义
变比扇形轴 ... run-out of crena diameter direction 齿圆径向跳动 turn Ratio of constant proportion 变比扇形轴 numerical control(NC) equipment 数控设备 ...