The mix design of strong concrete should follow the principles of low water-cement ratio, low sand ratio and high bone-glue ratio, thus the relatively satisfying effect can be achieved.
高强度混凝土的配合比设计应该遵循低水灰比、低砂率、高骨胶比的原则，这样才能达到比较理想的效果。
This hot melt adhesive can be used during the more moderate increase in hot water, the ratio of 10:1, according to the products customers need to adjust the viscosity glue.
此热熔胶使用过程中可适量加些热水，其比例10：1，客户需根据产品调节胶水的粘稠度。
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