你所说的不合法。 4 O( e- f% l, g8 g1 m# w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。) a) y; y) @: M i1 B, p2 s7 N
最好去找个正规公司做 # ]0 Y$ H5 O7 O `. s' m # N7 i) U. a1 {: n4 e, Znaxb1000@yahoo.ca
richardzhng 发表于 2011-12-12 19:38 u3 y0 w- u& N5 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?" 9 b) j4 ~" u9 ^$ w3 O * [9 S) z0 k: {, A/ P # i$ p: l) c2 |" T9 rI am sure . Would you gave me some advice? thanks!