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PH877D-1X5，PH877D-1X6，PH877D-1X7，PH877D-1X8，PH877D-2X1，功率因数数显表
PH877D-2X2，PH877D-2X3，PH877D-2X4，PH877D-2X5，
PH877D-2X6，PH877D-2X7，PH877D-2X8，PH877D-3X1，
PH877D-3X2，PH877D-3X3，PH877D-3X4，PH877D-3X5，
PH877D-3X6，PH877D-3X7，PH877D-3X8，
PH877D-1X5，PH877D-1X6，PH877D-1X7，PH877D-1X8，PH877D-2X1，功率因数数显表