Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
Tuesday, September 20, 2022
Tuesday, September 20, 2022
Sunday, September 18, 2022
Saturday, September 17, 2022
问题:焊后焊件在一定温度范围内再次加热,消除应力热处理或其他加热过程而产生的裂纹叫()。...
Friday, September 16, 2022
问题:现浇结构楼板的底模和支架拆除时,当设计无要求时,对大于8m跨的梁混凝土强度达到()时方可拆除。...
Monday, September 19, 2022
问题:对焊是利用()加热将两工件沿整个断端面同时焊接起来的一类电阻焊方法。...
Thursday, September 22, 2022
问题:在实际工作中常用( )来大致测定矿物的相对硬度。...
Thursday, September 22, 2022
Tuesday, September 20, 2022
问题:基础与墙身使用不同材料时,计算规则正确的( )。...
Thursday, September 22, 2022
Friday, September 16, 2022
问题:下列关于水系统回水温度一致性检测的说法正确的是()...
Thursday, September 22, 2022
Thursday, September 22, 2022
问题:地下长距离顶管工程施工需解决的关键技术问题是()。...
Saturday, September 17, 2022
问题:对无抗震要求的建筑物,当圈梁遇到洞口不能封闭时,应在洞口上部设置截面不小于圈梁截面的附加梁,其搭接长度不小于1m,且应大...
Thursday, September 22, 2022
Thursday, September 22, 2022