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NTC小黑头热敏电阻 VNJMF5 2E-3 .3K 精度3% 3323B值3950K50 0个/
4232带锯床机用钢铁切割带锯条 型号34x3800/38K50/3900/3950/411
4232带锯床机用钢铁切割带锯条型号34x3800/38K50/3900/3950/411