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15r752w 22r33r电阻 168r 91 36r1%18r/金属膜47r51r10r
金升阳752W开关电源LM5-232B24R超小体积12v4v5v15v36v48vYXE754v
金属膜/电阻51r68r33r91 22r 10r %752w 1 36r47r15r 18r 1