原帖由 amaths 于 2009-3-25 15:05 发表 ! I" G' D& K# ~9 w
thanks all, i'll try some/ U7 l/ s [# O) H \2 g4 p
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their pump has gauge on it?
# \2 }" Z$ R& v: w! \3 zsome of them have and some of them are even digital one, good stuff.