这些构造部位的频繁伸缩使应力集中，导致微裂纹的产生。
Constant flexing of the structure concentrates stress, which leads to microscopic cracks.
平面上，岩性油藏的类型受构造部位和砂岩的发育程度控制。
In the areal extent, types of lithologic pool are controlled by structure position and sand body development.
平面上，岩性油藏的类型受构造部位和砂岩的发育程度控制。
On the plane, the types of lithologic oil reservoirs are controlled by structural positions and maturity of sandstone.
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