inch 还是feet 3 M8 [4 S9 K) n6 ?' T( O9 M+ e& A. N$ O2 v) P! O x) ?' a, m
inch是太贵了, / m# T( X4 K& C% i
* F' R( A) W7 }( n A
feet的话,这么大孔, 干吗用啊 7 q1 F7 i- p. d8 Y
/ K V4 u. T" k+ {$ a. j$ R
DIY 50 bucks.... . r9 K. i! }3 p9 m6 w" |; y2 k* V 0 s/ |# p8 s- M, t6 ~# h! M30 bucks buy a 10x10 post shovel... around one hour work which is around 20 buck to pay yourself.