本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 4 t' G8 N. G4 z* F8 P/ t+ `& g5 r9 j% l. X
Canada and the United States joined authorities around the world on Wednesday and grounded the Boeing Max 8 and Max 9 aircraft, days after the Ethiopian Airlines crash that killed 157.