圆柱体本身含有一个微型数码摄像头，一个无线电发射器，一个感应动力的发电装置，以及一个方位驱动器。
The cylinder itself contains a small digital camera, a radio transmitter, an induction-powered charging device to provide electricity and an "orientation actuator".
大多数推力圆柱滚子轴承是单方位轴承。
Most cylindrical roller thrust bearings are single-direction bearings.
大多数推力圆柱滚子轴承是单方位轴承。
Most cylindrical roller thrust bearings are single-direction bearings.
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