an endless metal belt on which tracked vehicles move over the ground 同义词：track, caterpillar tread,
例句与用法
1.
Diameter of terminal plate of caterpillar track mm 覆带端盘直径mm
2.
Caterpillar tread caterpillar track 履带车辆之履带
3.
A data fusion algorithm of multi - ultrasonic sensor for the caterpillar track robot 履带式行走机器人的多超声波传感器信息融合方法
4.
Inside , small mounds of earth had been constructed and a number of toy vehicles fitted with caterpillar tracks lay here and there on the ground 中间，建了一些小土堆，这里那里停着许多装备履带的玩具车。
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