The main point of bulky concrete curing is to control the temperature difference of the center and appearance of concrete, maintain a certain humidity and prevent cracking.
大体积混凝土的养护主要是控制混凝土中心和表面的温差，保持一定的湿度，防止产生裂缝。
The slow-release preparation enables the medicaments to quickly exert the effect, can maintain the effective concentration of the medicaments for a long time and has more ideal curing effect.
本发明的缓释制剂既能使药物起效迅速，又能长时间维持药物的有效浓度，具有更理想的治疗效果。
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