求翻译：采用单一机型。西南航空公司只拥有一种机型波音737，这种做法能最大限度的提高飞机的利用率，因为每个飞行员都可以激动的驾驶所有飞机，同时简化了管理，降低了培训、维修、保养的成本，保持地勤人员少而精。是什么意思？

Using a single model. Southwest Airlines has only one model, the 737, this approach can maximize the utilization of aircraft, pilots exciting driving all aircraft, while simplifying management, reducing training and maintenance, maintenance the cost of maintaining ground personnel be concise.

With a single model. Southwest Airlines has only a Boeing 737 model, a practice that can maximize utilization of aircraft, because each pilot can be exciting, driving all the aircraft while simplifying management and reducing training, repair and maintenance costs, in order to maintain and less grou

Uses the sole type.Southwestern Airlines only has one type Boeing 737, this procedure can maximum limit enhance the airplane the use factor, because of each pilots all might excited driving all airplanes, simultaneously simplify the management, reduced training, the service, the maintenance cost, th

Using a single model. Southwest Airlines Boeing 737 has only one model, this approach would maximize improved aircraft utilization, because each pilot can be exciting, driving all aircraft, while simplifying management, lowering the cost of training, maintenance, maintenance, keeping ground staff le

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