Sunday, October 1, 2023
Sunday, November 27, 2022
Sunday, September 11, 2022
Thursday, March 21, 2024
Tuesday, March 26, 2024
问题:根据天然气水合物形成的条件,防止天然气水合物形成的基本方法是:(...
Monday, September 12, 2022
问题:球阀的结构有阀体、球体、密封结构和执行结构(传动装置)组成。...
Monday, September 12, 2022
问题:门站对接收()的天然气进行过滤、计量、调压、检测、加臭后,送到()。...
Sunday, February 11, 2024
问题:三层PE涂层包括:容结环氧粉末底层、()、聚乙烯外层。...
Friday, March 22, 2024
问题:运行过程中,由于天然气杂质增多或固体颗粒较多,当过滤器前后压差超过()时,表明过滤器内部堵塞。...
Wednesday, August 2, 2023
Thursday, April 25, 2024
问题:法兰与阀门、阀门与阀门、法兰与法兰间、储罐第一道阀门及安全阀的定期维护保养应该怎么做?...
Wednesday, January 17, 2024
Thursday, April 25, 2024
问题:防雷、防静电设施应齐全完好;建筑物防雷接地电阻不应大于()Ω;电...
Monday, September 12, 2022
Monday, July 17, 2023
Sunday, October 2, 2022
问题:阀门的开关只允许()操作,禁止使用加力杆和多人操作。...
Thursday, April 25, 2024
问题:.如果一个周没有启动发电机,必须保证()、()。...
Wednesday, January 17, 2024
Monday, September 12, 2022
问题:闸板阀的结构主要由阀体、阀盖、阀杆、阀板、密封圈和传动装置等部件组成。...
Thursday, June 15, 2023