أ: 54.00
OD/ID xt: 25.40/22.10 × 1.65
OD1/ID1 × t1: 25.40/22.10 × 1.65
OD/ID xt: 25.40/22.10 × 1.65
OD1/ID1 × t1: 25.40/22.10 × 1.65