制冷

zhì lěng gōng chéng

制冷工程

refrigeration engineering

zhì lěng shè bèi

制冷设备

refrigeration equipment

huà xué zhì lěng

化学制冷

chemical refrigeration

qì tǐ xún huán zhì lěng

气体循环制冷

gas cycle refrigeration

tài yáng néng zhì lěng

太阳能制冷

solar energy refrigeration

wō liú zhì lěng

涡流制冷

vortex effect refrigeration

zhì lěng xún huán

制冷循环

refrigeration cycle

zhì lěng gōng yè

制冷工业

refrigeration industry

zhì lěng jī xiè chǎng

制冷机械厂

refrigeration engineering shop