ข้อลดกลม

D50/32, D110/75, D50/40, D110/90, D63/25, D25/20, D63/32, D32/20, D63/40, D32/25, D63/50, D40/20, D75/63, D40/25, D90/63, D40/32, D90/75, D50/20, D50/25, D110/63