并在对电动机轴承组进行结构分析的基础上，给出两种有效的轴承组结构。
Two types of effective structure of bearings are given based on the structure analysis of the bearing in motor.
并在对电动机轴承组进行结构分析的基础上，给出两种有效的轴承组结构。
Two types of effective structure of bearings were given based on the structure analysis of the bearing.
并在对电动机轴承组进行结构分析的基础上，给出两种有效的轴承组结构。
Two types of effective structure of bearings were given based on the structure analysis of the bearing.
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