Saturday, March 4, 2023
Thursday, September 14, 2023
Thursday, September 15, 2022
仪表管道的压力试验应采用()为试验介质,当采用水为介质时,应使用(),对于(),气动管道或设计压力小于0.6MPA的仪表管道,宜采用气压试验,介质为空气或氮气。...
Tuesday, January 30, 2024
Monday, September 26, 2022
控制网的加密的指示桩,宜建在建筑物的行列线上或主要设备的()方向...
Sunday, September 11, 2022
基坑内被动区加固平面布置常用的形式有()。A、墩式加固B、岛式加固C、裙边加固D、抽条加固E、满堂加固...
Tuesday, January 9, 2024
Tuesday, January 9, 2024
Saturday, April 29, 2023
Monday, January 16, 2023
气动信号管道安装无法避免中间接头时,应采用()接头连接,气动信号...
Thursday, September 15, 2022
缆风绳是桅杆式起重机的(),直接关系到起重机能否安全工作,也影响着桅杆的()。...
Sunday, September 24, 2023
Monday, October 23, 2023
Wednesday, September 13, 2023
设备绝热层的伸缩缝的宽度,设备宜为()MM,管道宜为()MM。...
Monday, January 16, 2023
聚笨乙烯热固性泡沫塑料:持久的保温,隔热性能,独特的抗震缓冲性能,抗老化性能,()是发展前景最好的保温材料之一。...
Wednesday, September 13, 2023
非种植季节进行树木栽植时,应根据不同情况采取技术措施?...
Monday, February 12, 2024
Wednesday, April 10, 2024
近海油罐进行()或()处理前应采用高压洁净水冲洗表面。...
Sunday, September 11, 2022
()是电极位比较低的金属,可以起到牺牲阳极的作用来防止金属腐蚀。...
Sunday, September 24, 2023