研磨机及其无齿轮驱动器是该行业中最大型的设备之一(环行马达约20米高)，也是选矿厂的关键设备之一。

The mill and its gearless drive is one of industry's largest installations (the ring motor is almost 20 meters high) and one of the pivotal applications in a concentrator plant.

youdao

研磨机及其无齿轮驱动器是该行业中最大型的设备之一(环行马达约20米高)，也是选矿厂的关键设备之一。

The mill and its gearless drive is one of industry's largest installations (the ring motor is almost 20 meters high) and one of the pivotal applications in a concentrator plant.

youdao