The turning disc is connected by a drive belt to an electric motor.

转盘与电动马达之间由一条输送带连接。

《柯林斯英汉双解大词典》

High efficiency DC brushless motor, micro chip processor control, tooth synchronous belt drive, smooth operation, noise.

高效直流无刷马达，微芯片处理器控制，齿行同步皮带传动，运行平稳，噪音极底。

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The main drive system, I choose FANUC AC motor drive through the belt drive spindle.

对主传动系统，我选用FANUC AC电动机通过带传动驱动主轴。

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Its no-contact drive system uses an advanced low-noise motor and geared belt to ensure control over speed while filtering out vibration.

FORBES: EAR Disc Master Turntable