66. 機械式冷凍機中有關冷凍循環進行步驟的次序，何者正確？ (A)壓縮機(compressor)→蒸發器(evaporator)→凝結器(condensor)→膨脹閥(expansion valve) (B)壓縮機(compressor)→凝結器(condensor)→膨脹閥(expansion valve)→蒸發器(evaporator) (C)壓縮機(compressor)→膨脹閥(expansion valve)→凝結器(condensor)→蒸發器(evaporator) (D)壓縮機(compressor)→膨脹閥(expansion valve)→蒸發器(evaporator)→凝結器(condensor)