砂楔
- 网络sand wedge
砂楔-
河西走廊末次冰期芒硝和砂楔与古气候重建
The sand wedge and mirabilite of the last ice age and Paleoclimatic reconstruction in Hexi corridor , gansu , west China
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山西大同、内蒙古鄂尔多斯冰楔、砂楔群的发现及其环境意义
Discovery of Ice Wedge and Sand-wedge Networks in Inner Mongolia and Shanxi Province and Their Environmental Significance
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砂（土）楔。
C ) sand ( soil ) wedges .