ammonia refrigerating machine 氨冷冻机 ; 氨制冷机

ammonia absorption refrigerating machine 氨吸收式冷冻机 ; [制冷] 氨吸收式制冷机 ; 氨气吸收冷冻机

centrifugal ammonia refrigerating machine 离心式氨制冷机

ammonia compression refrigerating machine 氨压缩式制冷机 ; 氨压缩冷冻机

ammonia absorption machine 氨吸收式制冷机 ; 氨气吸收机

double-stage ammonia refrigerating machine set 双级氨制冷机组

ammonia compression machine 氨压缩式制冷机

ammonia-water absorption refrigerating machine 氨

ammonia free blue printing machine 无氨晒图机