Moreover, the double-effect absorption refrigeration system is also investigated .
同时也分析了直燃型双效制冷系统。
2
The process flow of steam absorption refrigerating set and double-effect lithium bromide absorption refrigerating set were introduced.
介绍了常用的蒸汽吸收式制冷机组、双效溴化锂吸收式制冷机的工艺流程。
3
Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.