maintenance expense

It is characterized by high automaticity, safety and reliability, simple operation and low maintenance expense.

近一年来运转正常，该气柜自动化程度高，安全可靠，操作简单，维护费用低，投资回收期约1.5年。

The equipment and technology of the high-power twice atomizing arc spray in steel bridge anti-corrosion is investigated, owing to the shorter service life-span, the more frequency maintenance and the higher maintenance expense for steel bridge tar-paved layer.

针对钢桥面使用寿命短、维修周期短、维修费用高特点，从钢桥面防腐蚀方面着手，研究应用于钢桥面的大功率二次雾化电弧喷涂防腐蚀设备和技术。

Measurements on Vehicle Lightweighting and Decreasing Maintenance Expense of JR East Japan

JR东日本公司车辆轻量化和降低维修费用的措施

PU belt provides durable, less part consuming, easy and less maintenance expense.

PU带耐用 、 零件损耗较低, 易于保养,维护费用较低.

Engineering cost means the manufacture cost of water commodity and its property right income. It comprises the depredation expense of fixed assets, engineering maintenance expense and engineering operational guidance cost.

工程成本是指生产水商品的成本和产权收益，包括固定资产折旧费用、工程维修费用和工程运行管理费用。