أ: 190.50
OD/ID xt: 76.20/72.90 × 1.65
OD1/ID1 × t1: 76.20/72.90 × 1.65
OD2: 50.8
OD/ID xt: 76.20/72.90 × 1.65
OD1/ID1 × t1: 76.20/72.90 × 1.65
OD2: 50.8