. . . . "1989" . . . . "28" . "X 2000" . . "X_2000" . "X 2000 train was leased" . . "X2000" . . . "X 2000" . "X 2000 \\\"New Speed\\\"" . . "72" . . . "X2 trains" . "X2000 tilting train" . "Xinshisu" . "7.3E7" . "44" . . "51" . . . "41" . "X2000 high-speed trainset" . . . . . "X2" . . . . . . . . .