The viscosity and surface tension was improved by gel structure of bentonite colloid, so the capillary force is increased and therefore the wet compression strength is improved.
凝胶结构提高了粘结液相的粘度和表面张力，毛细力增大，生球抗压强度提高。
The viscosity and surface tension was improved by gel structure of bentonite colloid, so the capillary force is increased and therefore the wet compression strength is improved.
凝胶结构提高了粘结液相的粘度和表面张力，毛细力增大，生球抗压强度提高。
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