修护费；[经] 维护费用

maintenance charges的用法和样例：

例句

Open standards are being embraced by enterprises as a means to drive down high integration and maintenance costs.开放式标准被企业用作降低高整合及维护费用的主要手段。
Increasing loading of equipment, decreasing maintenance expenditures and postponement of investments are goals to reduce life cycle costs.增加设备的负荷，降低维护费用以及延缓投资都是降低使用寿命成本的目的。

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