这个截断的过程叫做往下舍入.The process of truncating is called rounding down.所表现出的最终数值舍入到小数三位.The final numerical values, as displayed, were rounded off to three decimal places.将小数值按指定的小数位数舍入.Rounds a decimal value to a specified num...
介绍了一种在石油加工过程中产生的特殊副产物 - 硬沥青.The byproduct of petroleum industry - hard pitch andphysical and chemical properties are introduced.摘要介绍了一种在石油加工过程中产生的特殊副产物 - 硬沥青.The byproduct of petroleum industry - hard pitch is recommende...