型号 规格
2h40l01sn a:40mm b:30mm c:10mm
2h45l01sn a:45mm b:35mm c:10mm
2h50l01sn a:50mm b:40mm c:10mm
2h55l01sn a:55mm b:45mm c:10mm
2h60l01sn a:60mm b:50mm c:10mm
