She stood on the coarse sand and played with her son.
她和她的儿子在粗糙的沙子上玩。
The test target of "depositing coarse sand and discharging the fine" is basically achieved.
放淤试验工程“淤粗排细”的目标基本得以实现。
The stress ratio of CFG pile and soil which cushion used medium-coarse sand gravelly sand or cobbles has been studied.
利用载荷试验研究了CFG桩桩顶的中粗砂、砾砂、碎石褥垫层的桩上应力比。
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