1立方米的三七灰土中,白灰(生石灰粉)360kg,粘土1120kg。定额用量: 石灰0.51912吨,黏土1.22306吨。但从定额消耗量看,每立方米3:7灰土含石灰0.51912吨,黏土1.22306吨。0.51912/1.22306=0.4244约等于3/7=0.4286。亲亲0.51912吨 希望对您有所帮助 ...