pilot air screw 辅助空气调整螺钉
pilot air screw spring 辅助空气调整螺钉弹簧
Pilot lamps tubular screw base 螺丝灯脚
Pilot lamps globular screw base 球型螺丝灯脚
·2,447,543篇论文数据，部分数据来源于NoteExpress
Here is an important thing to consider: when airlines cancel due to their own fault, such as a mechanical mishap or pilot scheduling screw up, they are liable for expenses their delayed passengers incur.
FORBES: Making Bad Travel Worse: Did Airlines Cancel Early For Hurricane Sandy?
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