本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 ( h9 _0 B5 m6 D+ w! y 9 A& Y7 x: n0 e" |6 p+ M6 KCanada 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.