道路车辆。铁路运输。全模型尺寸。
应分析精度对模型尺寸的要求，采用了精密浇铸的方法制作模型。
According to the accuracy requirements of the analysis with the model dimension, we use the precision casting method to make the models.
平均分布计算大概一平方米面积布置一块透气砖，与水箱模型尺寸相近。
On average there is one porous plug on each square meter, which justifies the choice of the water model dimensions.
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