当轴处中

Explanation: Is in the middle of the axle. Analogy Guanju to bits. 　　Usage: Joint type; as predicate; analogy to bits Guanju 　　Source: Huan Kuan Han "miscellaneous on Salt and Iron": "cars prime minister that the list of Lu week, when the axis of, the Kuonang does not talk, shelter away, he is indeed! He is indeed!"