型号 规格
j03-60 a:60mm b:30mm c:30mm
j03-65 a:65mm b:32.5mm c:32.5mm
j03-70 a:70mm b:35mm c:35mm
j03-76 a:76mm b:38mm c:38mm
j03-80 a:80mm b:40mm c:40mm
j03-90 a:90mm b:45mm c:45mm
j03-100 a:100mm b:50mm c:50mm
j03-110 a:110mm b:55mm c:55mm
j03-120 a:120mm b:60mm c:60mm
j03-130 a:130mm b:65mm c:65mm
