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离心式制冷机组的维护保养 (一)离心式制冷压缩机启动前的准备工作 1 .压力检漏试验 压力检漏是指将干燥的氮气充人离心式制冷压缩机的系统内,通过对其加压来进行检漏的方法。其具体操作方法是: (1)充入氮气前关闭所有通向大气的……

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