a b h L δ=1mm δ=2mm A218 103 84 3.3323 1.9075 1.9895 A318 103 90.5 3.4482 2.9952 3.024 A418 103 93.5 3.5016 3.9411 3.979 A618 103 97 3.564 6.24 6.3 AP-18 93 87 3.208 A220 103 82 3.663 1.981 2 A320 103 89 3.8016 2.9714 3 A420 103 92.5 3.8709 3.9619 4 A620 103 96.2 3.9442 6.1177 6.1765 AP-20 103 86.2 3.548 A222 93 80 3.986 2.009 A322 103 4.16 3.057 3.08 A422 103 91.5 4.2362 3.9791 4.0174 A622 103 95