求助在低压变电中这些代表什么意思.谢谢MC 320P CJ 20-20 MC 110PMD 340P 310P 332P DZ 20J-200/3-125DZ 20J-200/3-160CJ 20-50MC 316P 380MC 116P-BD140E
MC 320P CJ 20-20 MC 110P
MD 340P 310P 332P DZ 20J-200/3-125
DZ 20J-200/3-160
CJ 20-50
MC 316P 380
MC 116P-BD140E
求助在低压变电中这些代表什么意思.谢谢MC 320P CJ 20-20 MC 110PMD 340P 310P 332P DZ 20J-200/3-125DZ 20J-200/3-160CJ 20-50MC 316P 380MC 116P-BD140E
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