... 层面平原 stratum plain 层面泉 stratum spring 层面溶管 anastomosis tubes ...
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beam-stratum spring model 梁
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Gongleting spring emerges at the contact place between the dolomite of wumishan formation, jin system and the stratum of quaternary system and is an overflow spring.
公乐亭泉出露于蓟县系雾迷山组白云岩地层与第四地层接触部位，为溢出泉。
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