41.兩段式蒸氣壓縮冷凍系統,最佳中間壓力為何?
(A)(高壓+低壓)/2
(B)
(C)
(D)(高壓−低壓)/2
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統計: A(10), B(16), C(54), D(4), E(0) #1936785
統計: A(10), B(16), C(54), D(4), E(0) #1936785