lime wash meaning in English

刷灰
涂白

The influence of different gypsum on strengh of portland - sulphoalminate composite cement system is complicated , related with aluminiferouse mineral in cement system and the so4 ( superscript 2 - ) concentration of its hydrated solution ; in distilled water and maximum lime wash , the dissolution rate of dihydrate gypsum is higher than that of anhydrite but the dissolubility is lower
石膏品种对硅酸盐硫铝酸盐复合体系水泥强度的影响较复杂，与水泥体系中含铝矿物及其水化溶液中so4 (上标2 - )离子浓度有关；在蒸馏水和饱和石灰水中，二水石膏的溶解速度比硬石膏快，溶解度比硬石膏低。