为了便于常态混凝土与碾压混凝土在浇筑时层面能同步上升,应对常态混凝土掺加() A.高 发布时间:2017-06-09 22:32 │ 来源:www.tikuol.com 题型:单项选择题 问题: 为了便于常态混凝土与碾压混凝土在浇筑时层面能同步上升,应对常态混凝土掺加()A.高效缓凝剂B.高效速凝剂C.高效减水剂D.优质粉煤灰
题型:单项选择题 My friend asked me _______. [ ]A. if I will come to the party B. that he would help me to clean the room C. what was wrong with me D. how should he do it next 查看答案