有抗渗性能要求的混凝土优先选用普通水泥、火山灰水泥，不宜使用矿渣水泥。( )
参考答案：对
"Dr. Faustus" is a play based on the English Legend of a magician aspiring for knowledge and finally meeting his tragic end as a result of selling his soul to the Devil.
KT系列切丝机高压液压系统的应用，可以使整个（）大大简化，且整机体积小。
