问题:油品灌装完,取出鹤管时,管内残存油品的滴洒造成滴洒损耗。...
Monday, May 26, 2025
Wednesday, June 18, 2025
Sunday, February 11, 2024
问题:球形中心排油阀开启时必须将带有通道的球形阀芯转90度,使阀芯通道和阀体通道贯通,液体才可流出。...
Wednesday, September 13, 2023
问题:汽车槽车装卸现场油汽浓度可用的仪器监测有()。A、固定式可燃气体检测报警仪B、一氧化碳气体检测报警仪C、便携式可燃气体检测报警仪D、氧分析器...
Saturday, March 25, 2023
Sunday, May 25, 2025
问题:水分、固体杂质和表面活性物质都会引起喷气燃料清洁度下降。...
Wednesday, November 13, 2024
问题:叶轮损坏是水环真空泵工作有噪音或振动过大原因之一。...
Monday, June 10, 2024
Monday, January 20, 2025
问题:离心泵效率的单位为()。A、kwB、hpC、kgf·m/sD、无量纲...
Monday, July 21, 2025
问题:对用于油蒸气进行回收的吸附(收)剂的一般要求是既能解吸,又能再生。...
Monday, July 21, 2025
Wednesday, July 23, 2025
Thursday, September 12, 2024
问题:油品灌装完,取出鹤管时,管内残存油品的滴洒造成滴洒损耗。...
Monday, May 26, 2025
Wednesday, November 13, 2024
Tuesday, October 24, 2023
Friday, October 18, 2024
Wednesday, July 30, 2025
Friday, March 1, 2024
Monday, January 20, 2025