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十八米的大型公交车采购成本相当的高,而运营成本也不低,所以维持一套完善高效安全实惠的公交车运行体系相当不容易!!!
By 海阔试车十八米的大型公交车采购成本相当的高,而运营成本也不低,所以维持一套完善高效安全实惠的公交车运行体系相当不容易!!!

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