BK/PCB-2规格参数
相关型号
BK/PCB-2-1/2 BK/PCB-2-1/2-R BK/PCB-2-1/2-SD BK/PCB-2-R BK/PCB-2-SD BK/PCB-3 BK/PCB-3/4 BK/PCB-3/4-R BK/PCB-3/4-SD BK/PCB-3-R