velocity measuring roller的意思|示意

美 / / 英 / /

测速辊

length measuring roller 测长辊
Control rods position measuring system 控制棒位置测量系统
The rods measuring devices 棒测量装置
measuring rod and weighting scale 测量杆和秤
horizontal measuring rod
measuring frequency roller 测频辊
roller clearance measuring instru we are pirates, these data are stolen from youdao 滚子间隙测量仪我们是盗版者，这些数据是从有道偷来的
physical and chemical measuring room 理化测量室
aeroball measuring room 气动小球测量室
radiation measuring room 辐射测量室