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1·The utility model discloses an electric fan with full wind direction, wherein an swivel bearing is fixed on a foundation of the electric fan, and a support arm is installed on the swivel bearing;

本实用新型公开了一种全风向电风扇，它是在电风扇的底座上设有旋转轴承， 支撑臂安装在旋转轴承上；

2·The mean value of work loads on a shaft bearing of swivel and rotary table is determined by basic principles of fuzzy theory, considering the loads' fuzziness and the requirement for reliability.

考虑钻机(水)龙头和转盘主轴承工作载荷的模糊性及可靠性要求，应用模糊数学基本原理求得平均计算载荷，从而计算出主轴承的模糊可靠性寿命。

3·The end cap will be used as the bearing or swivel point.

端盖将被用来作为轴承或旋转点。

4·The mean value of work loads on a shaft bearing of swivel and rotary table is determined by basic principles of fuzzy theory, considering the loads' fuzziness and the requirement for reliability.

考虑钻机水龙头和转盘主轴承工作载荷的模糊性及可靠性要求，应用模糊数学基本原理求得平均计算载荷，从而计算出主轴承的模糊可靠性寿命。

5·Ball bearing perform to fully swivel under load.

载荷下滚珠轴承能够充分旋转。