【单选题】13 / 35高级沥青路面最小纵坡一般不应小于?A0.1%0.1\%0.1%B0.3%0.3\%0.3%正确C0.5%0.5\%0.5%D1.0%1.0\%1.0%参考答案B参考解析表4-2-6:0.3%0.3\%0.3%。