The selection of model sand is the key problem in the design of a mobile bed model test.

对于研究泥沙问题的动床模型试验，模型沙的选择是模型设计的关键。

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The selection of model sand is the key problem in the design of a mobile bed model test.

对于研究泥沙问题的动床模型试验，模型沙的选择是模型设计的关键。

youdao