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使用女上體位時，女人常常跨在男人身上，讓自己的體重均勻分布在兩膝之間。不論她面對著你或是背對著你（體位C）都有這好處。這體位的另外一種變化，就是她雙腿放在兩側，躺在你身上（體位B）。女上體位需要女人更多的肢體動作，有些人說這需要強健的小

A management system is a set of systematic processes and techniques that permit a company to successfully regulate its interactions With all the natural environment, occupational overall health and security, and/or its prospects.Certification – the provision by an unbiased body of created assurance (a certification) which the merchandise, servic