Other possible reasons include problems with the oil pump, rod and main bearing clearances, camshaft stopping playing, or cam bearings and lifters.

其他可能的原因包括油泵问题、杆和主轴承的空隙、凸轮轴停止工作、或者凸轮的方位和升降。

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Other possible reasons include problems with the oil pump, rod and main bearing clearances, camshaft end play, or CAM bearings and lifters.

其他可能的原因包括油泵问题，杆和柱轴承之间的空隙，凸轮轴停止工作或者凸轮的方位和升降等。

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CAM functions around four main areas: numerical control, process planning, robotics, and factory management.

围绕四个主要凸轮职能领域：数控、工艺设计、机器人、工厂管理。

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The lens component, however, is likely the main attraction, as this is what turns it from a regular phone case, into an action cam facsimile.

ENGADGET