EasyMech 电机联轴器（小型）

您可以在 Robu.in 购买这些组件。（非付费推广）https://robu.in/product/motor-coupling-hub-6-mm-internal-dia-id-small/https://robu.in/product/motor-coupling-hub-8-mm-internal-dia-id-small/https://robu.in/product/motor-coupling-hub-10-mm-internal-dia-id-small/