FJH-20-D-19.70-4规格参数
相关型号
FJH-20-D-2.00-4 FJH-20-D-20.00-4 FJH-20-D-20.12-4 FJH-20-D-20.13-4 FJH-20-D-20.50-4 FJH-20-D-20.75-4 FJH-20-D-21.00-4 FJH-20-D-21.65-4 FJH-20-D-22.00-4 FJH-20-D-22.75-4