richardzhng 发表于 2011-12-12 19:38 & L- T- X; y1 L ~6 {" s9 N1 aare you sure it is three phases and one neutral, not three phases and a ground?
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"are you sure it is three phases and one neutral, not three phases and a ground?" 1 g+ R4 H1 ^ K) U' f4 z$ L* M - x b! a" h* o5 N2 ]7 b+ r# s- b7 l- S' r' v1 g" b
I am sure . Would you gave me some advice? thanks!
naxb 发表于 2011-12-12 20:56 % C1 d7 M" Y$ ~$ [* m
你所说的不合法。 ) s4 u2 f! l# x s' Z0 r/ q看你的电压等级,需要一点照片,如果有充足的信息,我可以告诉你怎么做。" ]) O1 @2 b/ u. Q3 w/ w. p. D
最好去找个正 ...