B37940K1680J070规格参数
相关型号
B37940K1680J60 B37940K1681J060 B37940K1681J070 B37940K1820J060 B37940K1820J070 B37940K1821J062 B37940K1821J072 B37940K2020C260 B37940K2030C360 B37940K2040C760