本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 + Z2 u6 a# E; B' t8 _- r: v1 v) J7 M# _6 f& s; K
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.