1. Z274 from Dangshan to Qingdao, 15 train is near the window. Seats 85, 86 and 87 are arranged in a row, of which 85 are window seats, 87 are aisle seats and 86 are middle seats.

2. The deadline is 20 16, 10, and the train Z274 (air conditioning) starts from Xining; Final destination: Qingdao; Total journey is 2 1 station: