本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 & c* Y5 _; M# y2 C+ u3 A 0 ?6 J: r7 _ p! \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.