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?8534.The function of an expansion valve in a freon cool- ing system is to act as a metering device and to

发布于 2021-02-18 22:11:35

【单选题】
A ?reduce the pressure of the gaseous freon.
B ?increase the pressure of the liquid freon.
C ?reduce the pressure of the liquid freon.

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Royston Yuen 2023-02-18

浮游生物。身体短小不到1厘米。有一只眼睛却有着统治世界的野心

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结果；成果

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