The rupture of an aft bulkhead, which had undergone faulty repairs following a mishap seven years earlier, caused destruction of part of the airplane's tail and rendered the jet uncontrollable.
七年前事故中错误修理的尾部隔离壁开裂，导致了飞机尾翼部分损坏，并引起飞机失控。
2
One is the geared turbofan (GTF), a new type of jet engine from Pratt &Whitney, part of America’s United Technologies group.
一款是来自普惠公司的新型喷气发动机GTF，普惠隶属于美国联合技术公司。
3
One is the geared turbofan (GTF), a new type of jet engine from Pratt & Whitney, part of America's United Technologies group.