n. sandpit
... sandpiper 矶鹞 sandpit 采沙坑 sandstone opal 砂岩欧泊 ...
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采海沙坑 marine sand borrow pit
·2,447,543篇论文数据，部分数据来源于NoteExpress
采沙坑距大桥较近时，在水流剪应力作用下沙坑演变可很快造成大桥基础变浅，影响大桥的正常安全运用。
If sandpits are near bridge location, its evolution when subject to suitable shear stress of the flow will rapidly cause the bridge foundation instability.
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