Monday, July 21, 2025
问题:一般来讲,润滑油的机械杂质含量在多少以下认为是无?水分含量小于多少时认为是痕迹?...
Monday, March 17, 2025
Monday, March 17, 2025
Monday, January 13, 2025
问题:管壳式换热器的管束堵漏一般要求在同一管程内堵管数不超过总数的20%。...
Monday, July 21, 2025
Tuesday, June 18, 2024
Monday, January 13, 2025
Monday, July 21, 2025
Monday, March 31, 2025
问题:单位价值在2000元以上,并且使用年限超过2年的设备都应当作为固定资产管理。...
Thursday, November 14, 2024
Saturday, November 23, 2024
问题:公称压力小于4.0Mpa,温度大于150℃石油气介质的阀门大盖,选用何种垫片?...
Monday, January 13, 2025
问题:装置检修要做到科学检修,文明施工,要做到“二清”,“二清”指的是什么?...
Wednesday, December 4, 2024
Monday, July 21, 2025
问题:装置检修要做到科学检修,文明施工,要做到“三净”,“三净”指的是什么?...
Friday, November 22, 2024
Friday, November 22, 2024
问题:设备修理费必须严格按计划列支,专款专用,不得挪用。...
Monday, July 21, 2025
Monday, July 21, 2025
问题:对设备事故的处理,要按照“四不放过”的原则处理。...
Monday, July 21, 2025
问题:普通介质压力表的选用,当压力在40Kpa以上时宜选用何种型类的压力表?40Kpa以下时宜选用何种类型的压力表?...
Monday, March 17, 2025