求翻译：单一机型有利于安排航班计划，提高航材通用率，降低航材储备成本和维修成本，也有利于提高飞行员和机务维修人员的技术，将航班因技术故障造成的延误降到最低。是什么意思？

Single models help arrange a flight plan, and improve the the Air Materiel common rate, reduce the the Air Materiel reserve and maintenance costs, but also help to improve the technology of pilots and aircraft maintenance personnel, and to minimize the delay of flights due to technical malfunctions.

Click a model to facilitate arrangements to improve aircraft flight plan supplies generic and lower material costs and maintenance cost reserves, and is conducive to improving pilots and crew, maintenance personnel, will be due to a technical malfunction caused flight delays to a minimum.

The sole type is advantageous to the arrangement scheduled flight plan, enhances the air materials general rate, reduces the air materials reserve cost and the service cost, also is advantageous in enhances the pilot and the machine matters serviceman's technology, because the technical breakdown cr

Single models in favour of scheduled flight plan, increase the CASC the common rate, reducing air materiel reserve costs and maintenance costs, but also conducive to improving the technology of pilots and maintenance personnel, will minimize flight delays due to technical failure.

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