问题:溢流斗的作用为()。A、引导液体下流;B、分离下流液体挟带气泡;C、积聚液体确保液体下流;D、液封。...
Thursday, October 17, 2024
Saturday, September 17, 2022
Saturday, September 10, 2022
Saturday, September 10, 2022
问题:制作气缸垫通水孔时,不得(),以免影响气缸()。...
Saturday, September 17, 2022
问题:气缸经过镗削加工后,其壁厚减少的尺寸,不得大于原来尺寸的()。...
Saturday, September 17, 2022
问题:与切换式流程相比,分子筛流程空分装置有哪些优点?...
Monday, June 2, 2025
问题:氧压缩机活塞与气缸间的润滑不能使用油润滑,其解决途径一般是()。...
Saturday, September 17, 2022
Sunday, September 11, 2022
Thursday, January 23, 2025
Sunday, September 11, 2022
问题:写出焓的表达式,并用此表达式解释充氧时气瓶会发热的原因。...
Sunday, September 11, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:膨胀机的单位理论制冷量是随着进气温度的提高而()...
Sunday, September 11, 2022
问题:为什么大型板翅式冷凝蒸发器的单元高度取在1.8~2.1m?...
Saturday, September 10, 2022
问题:槽车过磅称得液氧净重3420kg,,换算后为多少方?...
Sunday, September 11, 2022
Sunday, September 11, 2022
Friday, June 28, 2024
Saturday, September 17, 2022