本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 : d" d9 Q" B- v6 t$ x2 X0 K7 I1 W# @3 j4 D% f
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.