原帖由 amaths 于 2009-3-25 15:05 发表 ' I' T) ^3 Q& g5 M6 E9 N' k
thanks all, i'll try some : s# W' ~. s" Q: P' z" w 2 G, x2 e, b: [. e' {- f! N, n7 g! Utheir pump has gauge on it?
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some of them have and some of them are even digital one, good stuff.