8. Which equipment is needed to recycle the lubricating oil in refrigeration system?
(A) Expansion valve
(B) Condenser
(C) Compressor
(D) Heater

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統計: A(69), B(120), C(544), D(48), E(0) #1212218

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#5304473
冷凍系統中的潤滑油需要什麼設備進行回收?...
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