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。
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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