Such fiscal adjustment may be necessary to ensure medium-term debt sustainability, but its immediate effect would lead to a reduction in private and public aggregate demand.
For concrete containing silica fume or ground slag, the reduction of auto-shrinkage is more effective by composite aggregate.
尤其对于含硅灰或矿粉的混凝土，复合骨料降低混凝土的自收缩效果更好。
3
Dissolvable aroma-hydrocarbons tend to aggregate at the over-maturity stage, resulting in the reduction of aroma-hydrocarbons and the increase of bitumen.