英语词汇effective area of concrete怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	effective area of concrete
释义	effective area of concrete 简明释义混凝土有效面积网络释义短语 1 effective area of tensile concrete 有效受拉截面面积双语例句 1 Optimizing a prestressed concrete T-frame beam, selecting reasonable effective height of section and prestressed steel area can improve the beam's performance and reduce the cost. 对预应力混凝土T梁进行优化设计，选取合理的截面有效高度及预应力筋截面面积，可以提高梁的承载能力，降低工程造价。
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