邮运成本
Postage cost
以上为机器翻译结果，长、整句建议使用 人工翻译 。
并以四川省邮政公司11个地市邮政车辆运输费用结算为例，计算了各点实际的月度邮运成本费用，提出了邮政车辆运输问题的一般模型。
The monthly practical freight cost also has been calculated by taking Sichuan post in 11 cities as an example. The general model has also been put forward.
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