本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 ; W# @& o2 c. Q/ K$ M( ]) i
3 P+ i' v9 N/ {. MCanada 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.