Sunday, September 7, 2025
问题:热流计法是间接或相对的方法,测试试件的热阻是与()热阻比较而得的方法。...
Thursday, September 22, 2022
问题:填空题平板导热系数仪测定的试件应是()材料或()材料。...
Thursday, December 26, 2024
问题:自动喷水灭火系统在《喷规》中要求在上报警阀的供水最不利点设置末端试水装置,末端试水装置由试水阀、压力表和试水接头等组成,...
Sunday, September 18, 2022
问题:建筑外窗抗风压性能现场检测位移测量仪器测值误差不应大于()mm。...
Saturday, September 17, 2022
问题:无机轻集料砂浆保温系统用抗裂砂浆,其压折比试件只能用()振动成型。...
Wednesday, September 21, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:填空题无机轻集料保温砂浆抗压强度检验,应以()块试样检测值中()个中间值的算术平均值作为干密度值。...
Thursday, January 18, 2024
Monday, September 19, 2022
问题:某工程采用半即热式加热器,热媒为0.1MPA的饱和蒸汽(表压),饱和蒸汽温度为119.6℃,凝结水温度为80℃,冷水的计...
Friday, September 16, 2022
Sunday, September 18, 2022
问题:热水循环泵应当选用泵,水泵壳体承受的工作压力不得小于其所承受的。()...
Sunday, September 18, 2022
Thursday, September 22, 2022
问题:关于洁净室空气过滤器,下列哪些说法是正确的?()...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:溴化锂吸收式冷水机组设备内,低压部分的压力很低,处于低压部分的蒸发器和吸收器的压力与绝对大气压力的比值,应是下列哪一项?...
Thursday, September 22, 2022
问题:消火栓距路边不应超过2米,距房屋外墙不宜小于()米。...
Thursday, September 22, 2022
问题:适用于东北、北和西北向附近的窗口遮阳的形式为()。...
Friday, September 16, 2022