Tuesday, September 13, 2022
Tuesday, September 13, 2022
Saturday, September 10, 2022
问题:在填料塔的流动工况中,当喷淋密度和气体流速足够大时,出现气流托持液体,止其下流,蒸汽破坏液膜并在液体中形成涡流,此状况称为湍流工况。
Sunday, March 24, 2024
Tuesday, September 13, 2022
问题:DH80空压机放空阀是()A、电动截止阀B、气动薄膜调节阀C、电动闸阀
Tuesday, September 13, 2022
问题:下面哪种是圆柱内螺纹的特征代号()。A、MB、TrC、RcD、Rp
Tuesday, April 16, 2024
Tuesday, September 13, 2022
Saturday, June 17, 2023
Tuesday, September 13, 2022
问题:二氧化碳提纯装置中,提馏工序的主要目的是分离()A、油B、水C、氢、甲烷、氮、氧等不凝性气体D、C2H6
Friday, November 18, 2022
问题:根据制冷方式不同,制冷量分为哪几种?什么叫膨胀机制冷量?
Tuesday, September 13, 2022
问题:气体混合物在压力不变的条件下降温冷却,当冷却到某一温度时,产生第一个微小的液滴,此温度称为()
Wednesday, March 27, 2024
Thursday, April 13, 2023
问题:主换热器返流的()、氮气、污氮气被复热至常温,正流空气被冷却及()。
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Sunday, March 26, 2023