B4G12N规格参数
相关型号
B4HD-1-M-36 B4HD-2008-1 B4HD-251-M-36 B4HD-252-M-36 B4HD-253-M-36 B4HD-254-M-36 B4HD-255-M-36 B4HD-2-M-36 B4HD-501-M-36 B4HD-502-M-36