Thursday, December 8, 2022
Saturday, March 9, 2024
问题:L-DAA压缩机油标准(GB12691-90)规定“液相锈蚀试验为无锈”。...
Saturday, March 9, 2024
Monday, May 22, 2023
问题:轻柴油在调合过程中因含水杂、组分密度差大、调合搅拌等原因可产生乳化现象。...
Tuesday, December 5, 2023
问题:离心泵的无用功主要消耗在泵轴与轴承、填料和液体的磨擦等方面。...
Tuesday, December 5, 2023
Thursday, December 8, 2022
Friday, November 17, 2023
问题:理论上当往复泵排量一定时,其功率是扬程的一次函数。...
Monday, May 22, 2023
Monday, December 18, 2023
问题:昼夜温差变化愈大,小呼吸损失愈小,反之昼夜温差变化愈小,损失愈大。...
Wednesday, June 21, 2023
Wednesday, July 12, 2023
Wednesday, September 13, 2023
问题:铁路槽车内洗车人员工作完后,不洗澡不洗手就吸烟、饮食致使毒物进入人体中毒。...
Sunday, February 11, 2024
问题:油罐收﹑付油时,责任心不强,不按时检查,油罐收付油量掌握不准,会造成计量错误。...
Monday, November 27, 2023
问题:旋转氧弹(RBOT)氧化试验是将试样、蒸馏水和铜催化剂线圈一起放到一个带盖的玻璃盛样器内,然后把它们放到装有压力表的氧弹中。氧弹在室温下充入620kPa压力的空气,放入规定温度的油浴中。...
Tuesday, December 5, 2023
问题:调配L-TSA汽轮机油时,添加剂的加入顺序及原因?...
Wednesday, September 13, 2023
问题:水环真空泵叶轮坏或其它物体落入应清除杂物如叶轮坏了更换新叶轮。...
Monday, November 27, 2023
Tuesday, December 5, 2023
问题:输油臂遥控装置宜在安装地点的海拔高度不超过500米的地方使用。...
Monday, November 27, 2023