原帖由 amaths 于 2009-3-25 15:05 发表 % D% A- e: E$ I% I- U2 N
thanks all, i'll try some ! @2 d4 n' k( r& M: I4 y) J7 t& D* A8 B, n. U
their pump has gauge on it?
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some of them have and some of them are even digital one, good stuff.