我们能源系统的主要组成部分，如燃料生产、提炼、发电和分配，用的是昂贵的、使用寿命较长的装置。
The major components of our energy systems, such as fuel production, refining, electrical generation and distribution, are costly installation that have lengthy life span.
这种电阻箱具有使用方便、寿命较长的优点。
The utility model has the advantages of convenient use and long service life.
固定资产是在产品和服务的生产过程中使用的寿命较长的资产。
Fixed assets are the long-lived assets used in the production of goods or services.
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