retarders

英 [rɪ'tɑːdərz] 美 [rɪ'tɑːdərz]

• 缓凝剂

retarders的用法和样例：

例句

1. Some retarders permanently weaken the concrete.
   某些缓凝剂对混凝土起长期的弱化作用。
2. 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。