单词：retarders
n. 延迟者[器]；【化】延迟剂
[网络] 延缓剂；延迟器；缓凝剂
[网络] 延缓剂；延迟器；缓凝剂
retarders的用法和样例：
例句
- Some retarders permanently weaken the concrete.某些缓凝剂对混凝土起长期的弱化作用。
- The adsorption of retarders on the surface of nuclei newly produced inhibits the crystal growth of dihydrate and accordingly controls the hydration process of gypsum.缓凝剂在二水石膏晶胚表面的吸附，使其晶体生长受阻，成为水化的控制过程。