Then the Pelton expander is investigated in the refrigeration system, and its actual performance is obtained. 對衝擊式膨脹機單體應用於製冷系統進行了實驗，得到了在製冷系統中衝擊式膨脹機的實際性能。
Involve in field refrigeration system mechanical and electrical diagnosis and troubleshooting. 負責製冷系統機械和電氣的調查分析和疑難排解。
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