Saturday, September 10, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Sunday, September 11, 2022
问题:酯化热井温度过低将会造成酯化乙二醇泵的堵塞。()...
Tuesday, September 13, 2022
问题:下列哪一项不属于切粒机日常巡检内容()。A、检查软连接是否破损B、检查振动塞是否堵塞C、检查铸带是否均匀D、检查切刀循环水流量...
Saturday, February 4, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Monday, March 20, 2023
问题:如果物料粘度过高,也会造成齿轮泵流量不足或输出压力不够。()...
Tuesday, September 13, 2022
问题:下列关于热媒炉进行炉膛吹灰操作步骤正确的是()。...
Sunday, September 11, 2022
问题:减温减压系统停运后应打开后路排气,打开管线低点排凝。()...
Wednesday, January 11, 2023
Tuesday, September 13, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:经过酯化段的反应之后,PTA与EG的酯化率可达()。...
Sunday, September 11, 2022
问题:齐聚物流量调节阀失灵突然开大,齐聚物管线压力将突然升高。()...
Tuesday, September 13, 2022
问题:关于PTA日料仓呼吸阀起跳对生产及环境的影响为()。...
Tuesday, September 13, 2022
问题:压力表安装处温度为60度,则选用()垫片。A、铝质B、橡胶C、石棉D、铅质...
Monday, July 31, 2023
问题:酯化乙二醇流量调节阀堵塞处理措施不正确的是()。...
Sunday, September 11, 2022