... 坐标轴晶面：parametral plane 作业准备日程：operational scheduling 作业砂(生产线)：production sand ...
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If a flight is canceled for operational reasons (such as a mechanical problem or crew scheduling conflicts) most airline contracts stipulate that you have to be put on the next available flight, even if it's on another airline.
NPR: Don't Pack that Pumpkin Pie Just Yet...
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