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78. 螺旋式壓縮機專用冷凍油的功用,下列敘述哪些正確?(A)帶走金屬摩擦表面的金屬磨屑(B)作為控制加洩增減載機構的壓力(C)使摩擦零件的溫度保持在允許的範圍內(D)油膜隔離冷媒壓縮過程的洩漏。
問題詳情
78. 螺旋式壓縮機專用冷凍油的功用,下列敘述哪些正確?
(A)帶走金屬摩擦表面的金屬磨屑
(B)作為控制加洩增減載機構的壓力
(C)使摩擦零件的溫度保持在允許的範圍內
(D)油膜隔離冷媒壓縮過程的洩漏。
參考答案
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