air-conditioning refrigerating units空调制冷机组

central air-conditioning units中央空调设备

automobile air-conditioning units汽车空调设备

special air-conditioning units特种空调

to move these air-conditioning units移动这些空调设备

multi-connected air-conditioning units多联中央空调机组

to move the air-conditioning units移动这些空调设备;移动空调设备

multi-connected center air-conditioning units多联中央空调