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220r470r100r %/1150r750电阻1510r 680r91 4w金属膜330r
%220r100r91/金属膜 470r 150r1330r 1510r 电阻7504w680r
22r 00碳 .0 051.. 15r91r电阻.47.750.1w00.膜51r30.%. 680
