黄帝问曰：天元九窒，余已知之。愿闻气交何名失守？岐伯曰：谓其上下升降，迁正退位，各有经论，上下各有不前，故名失守也。是故气交失易位，气交乃变，变易非常，即四时失序，万化不安，变民病也。帝曰：升降不前，愿闻其故，气交有变，何以明知？

                  公司名称：大德汇成科技（厦门）有限公司

                  联系人：钱工 手机 18250833560    QQ 3095721683

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