The influence of adding the HS powder and PVA sol together or respectivly on the original and retained strewth, bench life and moisture resistance of the CO_2 sodium silicate sand was studied.
研究了HS粉与PVA单独
复合使用后对水玻璃砂初始强度、残留强度,可使用时
湿性的影响。
The influence of adding the HS powder and PVA sol together or respectivly on the original and retained strewth, bench life and moisture resistance of the CO_2 sodium silicate sand was studied.
研究了HS粉与PVA单独复合使用后对水玻璃砂初始强度、残留强度,可使用时湿性的影响。
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