原帖由 amaths 于 2009-3-25 15:05 发表 / E$ O; C6 B. o- `; e4 k( @( v
thanks all, i'll try some3 L+ X+ K4 {4 R* x4 K
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their pump has gauge on it?
! ` I7 m2 m! }' D9 G: Rsome of them have and some of them are even digital one, good stuff.