Thursday, February 15, 2024
问题:甲醇的代号是()A、METHANOLB、PRONALEX-960C、COAT-A1221
Thursday, May 9, 2024
Wednesday, July 26, 2023
Thursday, February 15, 2024
问题:防蜡剂的代号是()A、DOREXIF2774B、RP-6075C、POLYGON-3390
Wednesday, May 31, 2023
问题:电/气转换器中,正反馈波纹管的作用是()。A、产生反馈力矩与电磁力(测量力)矩平衡B、减小负反馈波纹管产生的反馈力矩
Monday, May 27, 2024
Thursday, March 9, 2023
Sunday, September 11, 2022
问题:机械零件的表面粗糙度值有()级。A、8B、10C、12D、14
Wednesday, May 31, 2023
问题:循环水补充水容量约为循环水总量的()A、5%B、6%C、10%D、50%
Saturday, September 10, 2022
Friday, March 31, 2023
Thursday, August 31, 2023
问题:在启动丙烷制冷压缩机时如滑油温度低极限报警则()启动丙烷机A、不可以B、可以
Saturday, October 7, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:倒流程时要注意坚持什么原则?()A、先关后开B、先开后关C、同时开关
Saturday, October 21, 2023
Saturday, October 7, 2023