permutite
美 英
英漢解釋
例句
Experiment on the Improvement of Pond Water Quality by Applying Permutite and Nitrobacteria
應用沸石和硝化細菌改善池塘水質的試驗
Experiment on producing cement using permutite as admixture instead of volcanic
用沸石代替火山灰作混合材生產水泥的試驗