These were combined to simplify the airplane and reduce its size, purchase price, maintenance costs and weight.

这些被结合起来以简化飞机和减小尺寸，采购价，维护费用及重量。

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Combined with engineering practice, the application of ceramisite concrete in maintenance and reinforcement of arch bridge is introduced.

结合工程实践，介绍了陶粒混凝土在拱桥维修加固中的应用。

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A rigid machine frame combined with reinforced bearing bolts and low-maintenance toggle jacks stands for high precision, low-maintenance requirements and a long service life.

机器框架刚性好，增强的轴承螺座和低维护机铰连杆是高精密、低维护和长使用寿命的代表。

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Gathering data from several of Cisco's test customers, he found that the cost to operate the router is a fifth to a half the combined energy usage and maintenance costs of the hardware that hosts the same services.

FORBES: Cisco Seeks An Edge

The study, which looked at 385 metropolitan statistical areas, said nearly two in five metropolitan areas had one insurance company with a combined market share of 50 percent or more among health maintenance organization (HMO), point-of-service (POS) and preferred provider organization (PPO) plans.

FORBES: AMA: 70 Percent Of U.S. Lacks Health Insurance Competition