The results of this investigation show that the specific strength of resin bonded sand will increase remarkably, if the raw sand processed by wet attrition.
研究结果表明，原砂通过擦洗脱泥处理，就可使树脂砂的比强度大为提高。
The results of this investigation show that the specific strength of resin bonded sand will increase remarkably, if the raw sand processed by wet attrition.
研究结果表明，原砂通过擦洗脱泥处理，就可使树脂砂的比强度大为提高。
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