单项选择题
106当制冷压缩机输气系数降低时，其 。 A.
排压升高、吸压降低 B.
排压吸压降低 C.
排压、吸压升高 D.
吸压升高、排压降低
106当制冷压缩机输气系数降低时，其 。 A.
排压升高、吸压降低 B.
排压吸压降低 C.
排压、吸压升高 D.
吸压升高、排压降低
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