问题:工作间粉尘浓度要求小于()mg/m<sup>3</sup>。...
Thursday, September 15, 2022
Sunday, September 11, 2022
问题:尾气压缩机在氮气模式下启动时,负荷相当于()%。A、50B、75C、87D、100...
Thursday, February 8, 2024
问题:停车时间预计将达到30小时,需将剩余的引发剂()处理。...
Friday, September 16, 2022
问题:1mg/L=()g/m<sup>3</sup>。...
Sunday, September 11, 2022
问题:装置中透平是利用()作为驱动力的。A、循环气B、回收气C、蒸汽D、高压氮气...
Thursday, February 8, 2024
Sunday, September 11, 2022
问题:淤浆催化剂的活性为9000KgPE/Kgcat,淤浆催化剂中固体含量为28%,求纯固体催化剂的活性是多少KgPE/Kgcat?...
Monday, February 6, 2023
问题:外操应每()巡检一次,发现问题要及时联系处理并做好记录。A、半小时B、1小时C、2小时D、4小时...
Friday, January 20, 2023
问题:发现一次压缩机出口现场压力表切断阀后引压管漏乙烯,()处理。...
Saturday, September 17, 2022
Friday, September 16, 2022
Friday, September 16, 2022
Sunday, September 11, 2022
问题:粉料发粘后,流动性差,造成输送困难,易造成堵管架桥。...
Friday, September 16, 2022
Friday, September 16, 2022
问题:当树脂熔融指数发生变化时,造粒机组运行参数不变的是()。A、混炼机温度B、熔融泵吸入口压力C、切刀转速D、网前压力...
Sunday, February 19, 2023
Friday, September 16, 2022
Saturday, September 10, 2022
Thursday, September 15, 2022
问题:循环气压缩机干气密封排气压差高报,说明干气密封()密封泄漏。...
Sunday, September 11, 2022