本帖最后由 WARMHUT 于 2019-3-13 14:00 编辑 ) I6 A4 X' _9 i; Q9 w! Q7 h5 O" z' r3 O5 P 9 ^- \: n' g! @8 l0 I5 j2 N! WCanada 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.