refrigeration wholesaler
... refrigeration unit switch 制冷装置开关 refrigeration wholesaler 制冷批发商 refrigerationist 制冷专家,制冷工作者 ...
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他们受雇于制冷与空调安装工承包商，各种工业环境，食品批发商，工程公司和零售及服务机构。
They are employed by refrigeration and air conditioning installation contractors, various industrial Settings, food wholesalers, engineering firms and retail and servicing establishments.
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