At first, it was studiesd the crew mode and put forward a new kind of Permanent Crew Pooling system which absorb both merits of Assigning System and Crew Pooling System;

针对乘务工作中的值乘方式展开讨论，提出一种综合包乘制与轮乘制优点的相对固定的轮乘制；

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At first, it was studiesd the crew mode and put forward a new kind of Permanent Crew Pooling system which absorb both merits of Assigning System and Crew Pooling System;

针对乘务工作中的值乘方式展开讨论，提出一种综合包乘制与轮乘制优点的相对固定的轮乘制；

youdao