问题:环绳及绳索必须经过()倍容许工作荷重的静力试验合格后,方可使用。...
Tuesday, September 13, 2022
问题:管道对焊坡口面及内外壁()mm范围内应打磨出金属光泽。...
Wednesday, September 14, 2022
问题:水冷壁各下集箱内都装有邻炉蒸汽加热装置,以节约启动()。...
Tuesday, September 13, 2022
问题:锅炉侧墙水冷壁上联箱标高45.8m,下联箱标高5.3m,管子冷态...
Tuesday, September 13, 2022
Saturday, September 17, 2022
Wednesday, September 14, 2022
Monday, September 12, 2022
Wednesday, September 14, 2022
问题:如果编制的工艺规程有几个方案可供选择,则应进行全面的()分析,确定最好的工艺方案。A、质量B、安全经济C、安全可靠D、效率...
Saturday, December 16, 2023
Tuesday, September 13, 2022
问题:受压元件的同一部位产生缺陷进行补焊时,补焊次数不得超过()次。...
Tuesday, September 13, 2022
问题:管式空气预热器中烟气与空气的流动方向(),为()流动。...
Thursday, September 15, 2022
Tuesday, September 13, 2022
Tuesday, April 23, 2024
问题:当锅炉进行超压试验时应将云母水位计和安全门解列。()...
Wednesday, September 14, 2022
Wednesday, September 14, 2022
Wednesday, March 1, 2023
Wednesday, September 14, 2022
Tuesday, September 13, 2022
Wednesday, September 14, 2022