A.0.5~0.9mB.0.8~1.5mC.1.0~2.0mD.1.5~2.5m
A.2.0m×2.5mB.2.2m×2.5mC.2.0m×3.0mD.2.0m×3.5m
A.單戧立堵B.雙戧立堵C.三戧立堵D.寬戧立堵