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。
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。
For swivel applications in harsh environments, determine if the rotary actuator's IP rating is acceptable.
对于在恶劣环境中的应用场合，需要确定旋转执行机构的IP防护等级是否可满足要求。
For swivel applications in harsh environments, determine if the rotary actuator's IP rating is acceptable.
对于在恶劣环境中的应用场合，需要确定旋转执行机构的IP防护等级是否可满足要求。
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