Tuesday, August 9, 2022
Friday, September 16, 2022
Thursday, September 22, 2022
问题:警告标志的颜色为黄底、黑边、黑图案,其形状为()。...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:水泥混凝土的初凝要快,以期迅速达到要求强度。()...
Thursday, September 22, 2022
问题:可用来检验合成高分子防水卷材抗老化性能的指标是()。...
Tuesday, September 20, 2022
问题:所有的钢筋、盘条、钢丝和钢绞线的力学性能检测顶目包括()。...
Wednesday, September 14, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:为了评定和控制外加剂产品的质量,对于减水剂、引气减水剂、引气剂、早强剂,缓凝剂等常做的检测项目是()。...
Thursday, September 22, 2022
问题:制作试验用混凝土拌和物时,往搅拌机中投料的顺序是()。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
Thursday, September 22, 2022
问题:沥青的针入度和软化点都是表示沥青粘滞性的条件粘度。...
Saturday, September 17, 2022
问题:对土工织物做撕裂强度试验时,应取撕裂力的几个峰值平均值计算撕裂强度。...
Thursday, September 22, 2022
Friday, September 16, 2022
问题:击实试验的结果干密度和含水率的关系曲线不能绘出峰值点时,()。...
Thursday, September 22, 2022
Thursday, September 22, 2022