[名词解释] 柔性防水

开花馒头选用的面团是（） ["酵面中呛入干粉","面肥中呛入干粉","大酵面","嫩酵面"] 下列哪些材料可用作刚性防水的隔离层？（） ["纸筋灰","麻刀灰","低标号砂浆","低标号砼","卷材","砂垫"] 加热中需要洒水的熟制方法是（） ["煮","炸","烤","烙"] 纵队 卷材屋面防水 柔性防水