retarders

常见例句

• 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。
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