型号 规格
j173u-76 a:76mm b:39mm c:37mm
j173u-81 a:81mm b:42.5mm c:38.5mm
j173u-86 a:86mm b:47.5mm c:38.5mm
j173u-101 a:101mm b:50mm c:51mm
j173u-117 a:117mm b:64mm c:53mm
