The size of serosity had an influence on the utilization ratio of materials to some extent.
浆液过筛目数对原料利用率有一定的影响。
2
Besides , it's feasible to crack mend when distortion is requested to use the right amount of 660 diluter which can increase toughness of the serosity .
In order to ensure the intensity of grouting, the measures of ending with concentrated serosity, pressured grouting and blocking out were employed, which had rather better results.