أ: 76.20
OD/ID xt: 50.80/47.50 × 1.65
OD1/ID1 × t1: 50.80/47.50 × 1.65
OD2/ID2 × t2: 38.10/34.80 x 1.65
OD2: 38.1
OD/ID xt: 50.80/47.50 × 1.65
OD1/ID1 × t1: 50.80/47.50 × 1.65
OD2/ID2 × t2: 38.10/34.80 x 1.65
OD2: 38.1