问题:HL8-4S-11离心式压缩机再启动延迟时间为()。A、15SB、40SC、50SD、60S
Thursday, September 15, 2022
Thursday, September 15, 2022
问题: 空气过滤器的额定处理量是()m3/min。A、80B、60C、70D、141
Tuesday, August 22, 2023
Thursday, September 15, 2022
问题:DQK系列电控换向阀中字符,D指();Q指();K指()。
Thursday, September 15, 2022
Thursday, September 15, 2022
Saturday, April 22, 2023
问题:C125M×3-2RH离心机辅助油泵单独工作时,油压为()。A、0.217MPaB、0.35MPaC、0.4MPaD、0.25MPa
Thursday, September 15, 2022
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:正确操作,严格控制工艺指标,是石油化工生产过程中控制、消除()危险性,保证压力容器安全的重要保证。A、人员伤亡B、燃烧爆炸C、事故隐患D、一切危险
Thursday, September 15, 2022
Thursday, October 20, 2022
Monday, September 12, 2022
问题:空压站7#压缩机的一级安全阀起跳值是()MPa。A、1.0B、2.0C、0.7D、1.88
Saturday, June 24, 2023
Saturday, April 13, 2024
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:当C125M×3-2RH离心式压缩机面板上出现备妥时,压缩机状态栏中显示()。
Monday, September 12, 2022
Thursday, September 15, 2022
问题:管网仪表风压力≥0.6MPa时调7阀门处于什么状态()。A、打开B、自动关闭C、自动开关
Thursday, September 15, 2022