原帖由 amaths 于 2009-3-25 15:05 发表 " h! _. P5 u/ r$ S; e, A
thanks all, i'll try some # z& b2 t. B5 X! G* d* {% d, _+ T* G5 B9 Y1 K9 i
their pump has gauge on it?
+ |; c$ \9 C5 M4 d, R) N) Psome of them have and some of them are even digital one, good stuff.