Monday, January 15, 2024
Tuesday, September 13, 2022
Thursday, December 14, 2023
Friday, November 11, 2022
问题:流体稳定流动时有四种能量可能发生变化()、()、()以及()。
Saturday, November 5, 2022
问题:其他条件不变,加大常一线重沸温度,则()。A、常一干点降低B、常一干点升高C、常一初馏点降低D、常一初馏点升高
Monday, October 3, 2022
问题:可导致钢制外浮顶沉没的原因是()。A、中央排水管堵塞,浮盘上积聚大量雨水B、进油超安全高度C、油品进罐时组分太重D、某个船舱泄漏
Saturday, December 30, 2023
问题:换热器中,拼接管板的对接接头应进行()射线或超声检测。A、100%B、50%C、20%D、10%
Saturday, May 13, 2023
问题:蒸汽线吹扫时,下列叙述错误的是()。A、控制阀走副线B、孔板流量计拆除C、缓慢引入、脱净冷凝水D、蒸汽量越大越好,所以开始就开大吹扫
Tuesday, September 13, 2022
Friday, September 16, 2022
问题:聚乙烯醇的1799型的水解度()A、17-99.9℅ B、88.9-99℅ C、17-88.9℅ D、99.7-100℅
Saturday, September 10, 2022
Friday, September 16, 2022
Tuesday, August 29, 2023
Tuesday, September 13, 2022
问题:地面焚烧炉自动点火系统,一般即可以自动点火,也可以手动点火。()
Tuesday, September 13, 2022
Monday, June 19, 2023
Tuesday, September 5, 2023
Saturday, September 10, 2022
Tuesday, September 13, 2022