功能服役寿命(functional service life )是指结构不再满足其功能要求、或因功能要求变化导致结构废弃之前的在役时间，这些功能要求变化如提高净空、更高轴压或轮压的车辆...
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In addition, sports wear, heavy duty service, protective clothing, life service, special environment and other functional clothing.
此外，运动服、重工作业服、防护服、救生服、特殊环境等的功能服装中。
Optimum control of oil fluid contamination in hydraulic system is provided to theoretical basis for improving functional reliability of the system and increasing service life of hydraulic components.
对液压系统的油液污染实施控制，对提高系统工作的可靠性，延长液压元件的使用寿命提供了理论依据．。
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