There were also several accidents mainly caused by engine failures on take-off.
还有一些事故主要是由起飞时引擎故障导致的。
This operation cannot be completed because of dialog or database engine failures. Please try again later.
由于对话框或数据库引擎失败，无法完成该操作。请稍候再试。
Engine failures were more frequent. So were crashes.
发动机故障以及坠机事件都更为频繁。
Engine failures of the sort that seems likely to have occurred are unusual but not unheard of.
这种引擎故障看似少见但不是没有先例。
Engine failures that cause high-speed rotating parts to puncture or sever engine coverings aren't supposed to happen on modern jetliners.
据信，高速旋转的飞机部件刺穿或切断引擎罩的事故不会发生在现代喷气飞机上。
Engine failures that cause high-speed rotating parts to puncture or sever engine coverings aren't supposed to happen on modern jetliners.
据信，高速旋转的飞机部件刺穿或切断引擎罩的事故不会发生在现代喷气飞机上。
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