题目内容：
建筑石油沥青的牌号是按针入度指数划分的 A.正确
B.错误
参考答案：
选择题：建筑石油沥青的牌号是按针入度指数划分的
- 题目分类：开封大学-道路桥梁工程技术-道路建筑材料
- 题目类型：选择题
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