本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 7 X! v1 s7 |/ h4 B/ h, G+ o2 U: k! a1 i9 _% 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.