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1单向阀的工作原理※与结构单向阀的主要作用■是防止旋转式压缩机在停机时，内部大量的高温高压蒸汽倒流向蒸发器，使蒸发器升№温，从而导致制冷效率◎降低，即用来控制在︾冷热不同状况下制冷剂的々流向下图所示为不单向阀也称为。用在工...
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