The article analysed the cause of winding cotton of cards flat card clothing and put forward a few preventive measures.
2
向斜区主要发育水下分流河道被断层截切的断层岩性油藏和砂岩透镜体油藏。
Sand lens reservoirs and lithologic reservoirs which the underwater distributary channel sand cut by fault develop in syncline area.
3
依托基元体模型树，讨论了针对基元关系转换——相切关系转为相接关系与截切关系转为相交关系；
The influence of the conversion of the primitive relation and the adjustment of the primitive position and shape for composing information in the primitive model tree is discussed.
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