Profits used to come from selling engines and replacement parts. Now they come from providing long-term repair and maintenance-or "power by the hour".

公司原本通过销售引擎和零部件来获取利润，而现在则通过提供客户长期的检修和保养服务或者称之为“按飞行小时包修合同”。

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Make the repair the parts which disassembled from the machines , in order to track, make the record about exchange and maintenance.

安排维修生产线换下来的各类零部件，及各类配件的更换记录和维修记录，便于及时跟踪。

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The Johnson Street bridge in Vancouver was suspended from use indefinitely due to costs of corrosion repair, which exceeded the bridge's repair and maintenance budget.

温哥华的江森大街桥将立即停用因为高昂的防腐维护费用，这些费用大大超出了预算。

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It has also meant redefining the business: from offering a vast emporium of maintenance and repair products to providing e-commerce consulting and site maintenance to manufacturers of industrial supplies.

FORBES: Survivor

We also consulted maintenance and repair-cost predictions from Intellichoice.com to ensure that any of the cars and trucks among our recommendations would not become unduly costly to keep running.

FORBES: Cars That Can Last For 250,000 Miles (Or More)

The activities of these practitioners also extend to the maintenance, repair and reconstruction of historic buildings, ranging from traditional Korean houses to monumental wooden palaces and temples.

UNESCO: Culture