If the leak is very small and in an area you can't get at, around the evaporator for instance, they can be very elusive.
如果泄漏很少，并且发生在你无法够到的区域，比如蒸发器附近，那么你会很难发现它们。
Centrifugal scraper membrane evaporator using advanced foreign technology is of leading position and international level in domestic area of scraper film evaporator.
离心式刮板薄膜蒸发器采用国外先进技术，在国内刮板式薄膜蒸发器领域内具有国际水平的领先地位。
Miniature evaporator is a compact exchanger with small volume, light weight, and big heat transfer area per unit of volume. It is an important application in the field of cryogenics and refrigeration.
微型蒸发器是一种体积小、重量轻、单位体积换热面积大的紧凑式换热器，在制冷低温技术领域中有着重要应用。
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