The attention when screws tight the nut, the engine should the flameout engine off, ensure the personal security.
注意在拧紧螺母时，发动机应熄火停机，以确保人员安全。
When they fly across a the Alps, 3 engine of the plane are abrupt flameout.
当他们飞越阿尔卑斯山时，飞机的3个引擎突然熄火。
To keep the engine braking effect when the unexpected flameout.
保持发动机意外熄火时的制动效果。
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