cm H2O. 5.5 cm water is low. but do not know why low.

Tianyazi · 2013-02-14 18:28:56Z

cm H2O. 5.5 cm water is low. but do not know why low.简介

来源: Tianyazi 于 2013-02-14 18:28:56 [档案] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)

回答: 5.5, but I do not know the unit. Why is he not so good? Thank u. 由 miamiman 于 2013-02-14 18:03:36

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