原帖由 amaths 于 2009-3-25 15:05 发表 1 z+ a. a0 U/ W9 d% t; M `4 J" ethanks all, i'll try some 4 u; {# p5 g) S7 ]5 J& Z s- _& S! O& T: J8 K
their pump has gauge on it?
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some of them have and some of them are even digital one, good stuff.