design service life

基本解釋

Variability in the development of barrier-free design service life of persons with disabilities.
多變性發(fā)展的無(wú)障礙設(shè)計(jì)服務(wù)于殘疾人的生活。
With time going on, more and more bridges will reach or approach their design service life and the structural damages will appear because of kinds of reasons.
隨著時(shí)間的推移，越來(lái)越多的橋梁將達(dá)到或接近其設(shè)計(jì)基準(zhǔn)期，或因?yàn)楦鞣N原因發(fā)生結(jié)構(gòu)性損傷。
On the condition that the design service life is confirmed, the design reliability level of the chemical structures should include the corrosive environment and its effect on the structures.
因此，在設(shè)計(jì)基準(zhǔn)期預(yù)先確定條件下，化工結(jié)構(gòu)的設(shè)計(jì)可靠度水平應(yīng)綜合考慮腐蝕性環(huán)境及其對(duì)建筑結(jié)構(gòu)的影響特點(diǎn)來(lái)決策。