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设计使用年限
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design service life
设计使用年限
设计规定的结构或结构构件不需进行大修即可按其预定目的使用的年限。是结构设计中的一个专门术语。
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vegetarian underground religions
vegetation
vegetation bag
vegetation belt
vegetation carpet
vegetation circle
vegetation classification
vegetation classification criteria
vegetation classification method
vegetation classification principles
vegetation classification system
vegetation coverage
vegetation cover and biological factor
vegetation ecological climatology
vegetation ecological series
vegetation ecology
vegetation evolution
Vegetation Formation
Vegetation Formation Group
vegetation geochemical survey
vegetation-habitat classification by Shenxiu Jia
vegetation index
vegetation investigation
vegetation map
Vegetation Map of the People's Republic of China(1︰1000000)
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