为提高混凝土密实度和强度,以下措施哪个不正确() A. 采用高强度等级水泥 B.采用 发布时间:2017-12-04 18:00 │ 来源:www.tikuol.com 题型:单项选择题 问题: 为提高混凝土密实度和强度,以下措施哪个不正确()A. 采用高强度等级水泥B.采用高水灰比C.强制搅拌D.加压振捣
题型:单项选择题 用 so that/in oder that/ in oder to/ so as to。1. She worked hard ____ everything would be ready in time.2. Nothing more was heard from him ____ we began to wonder if he was dead.3. He got up early this morning ____catch the first train.4) ____ pass the exam, he studiedeven harder. 查看答案
题型:单项选择题 下列说法符合慢性胰腺炎的是()。A.急性胰腺炎病程>1个月B.血淀粉酶、脂肪酶升高后持续不降C.可导致胰腺内、外分泌功能不足D.血淀粉酶、脂肪酶水平降低E.乙醇是慢性胰腺炎的独立致病因素 查看答案