- single stage ammoniawater a orption refrigerating machine
- single stage ammoniawater absorption refrigerating machine
- 单级: single stage; single level; ...
- 氨: ammonia; hydrogen nitride
- 多级氨: multistage ammoniawater a orption refrigerating machine; multistage ammoniawater absorption refrigerating machine
- 双级氨: ammonia-water absorption refrigerating machine with two stage absorption process
- 单级: single stage; single level; single step
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