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中型電機零部件 1.觸頭(個)，2.夾叉支柱，3.夾叉，4.導輪軸，5.滾輪軸，6.有舉電刷，7.無舉電刷，8.雙包觸頭，9.瓷瓶，10.短路環(huán)座，11.夾叉軸，12.碳刷，13.電刷，14.有舉刷盒，15.無舉刷

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