A.774.4W B.966W C.287.2W D.440W
A.0.8 B.1 C.0.4 D.0.55
A.降壓起動 B.直接起動 C.轉(zhuǎn)子串電阻起動 D.轉(zhuǎn)子串頻敏變阻器起動