"Too much" means too high of pressure

来源: internuts 于 2009-06-18 17:23:44 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (193 bytes)

You can think what could happen just like what if a tire pressure is too high.
You should keep the system pressure within specified range. If it is already charged too high, release some.

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