试验成果表明，采砂坑内及其附近的水流与采砂坑边果相互作用的结果。
The result shows that the development of the mining pit is affected by the interaction between the flow in the vicinity of the mining pit and its boundary.
试验成果表明，采砂坑内及其附近的水流与采砂坑边果相互作用的结果。
The result shows that the development of the mining pit is affected by the interaction between the flow in the vicinity of the mining pit and its boundary.
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