inch 还是feet+ Y, a2 B A! P: k1 k% Q8 \7 `5 M
c) W/ K* c3 k8 c4 O$ T3 O" S( E
inch是太贵了, 0 u/ e: l) W+ E5 H7 R
4 I& e2 E6 _" m ?, d
feet的话,这么大孔, 干吗用啊 & v" s4 K- O4 Q x6 e. V
DIY 50 bucks.... $ w# C3 H! f' J+ P b& u' O t" D+ [ }7 |+ w. E8 E$ x) M
30 bucks buy a 10x10 post shovel... around one hour work which is around 20 buck to pay yourself.