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品牌:宏宇 型号:BJ-1 种类:蜂鸣器(片) 材质:塑料 规格尺寸:52*54(mm) 声道数:单声道BJ-1 SPECIFICATIONST*eUnitBJ-1 BJ-2BJ-3Rated Voltage(Square Wave)V1224220VACOperating VoltageV8-0*Rated Current(MAX)mA*M...
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