1)aggregate-to-lime ratio,砂石与石灰比例2)aggregate-to-cement ratio,砂石与水泥比例;砂灰比3)aggregate-to-limeratio,沙石与石灰比例4)limestone sand,石灰石砂5)aggregate-to-cementratio,沙石与水泥比例6)sand and coarse aggregate ratio,砂石比(砂与粗集料之比)
用法例句
Point to the serious burn-on defect occurred on the nonmagnetic steel casting surface, a new casting technique was used in which mould-making adopted CO2-cured sodium silicate bonded limestone sand and special sand powder coating.
