At the beginning of 20 centuries appeared by individualmotordrive with gear transmission of the lathe.
20世纪初出现了由单独电机驱动的带有齿轮变速箱的车床。
2
Each badge measured the sound level coming from its microphone and set the speed of its individualdrivemotor accordingly, steering the blimp away from areas with greater noise levels.
Reeling is equipped with shaft - less pneumatic cone top device, individualmotordrive, double work - place, non - stop high speed automatic picking function, which upgrades the working efficiency.