recirculated air是什么意思

用法例句

From renew,recycle and reuse to regeneration of landscape;

更新、再循环、再利用到景观的重生

This paper studied the characteristic of used electromechanic product,based the domestic and oversea actuality of used electromechanic products resource recovery,analyzed the main approaches and traits for reuse,remanufacturing,recycle in resource recovery for used electromechanic products.

通过研究废旧机电产品的特征,结合国内外废旧机电产品资源化现状,分析了废旧机电产品资源化的再利用、再制造、再循环三种主要途径及其特点。

Influences of recycle and second grade water spraying on semi dry flue gas desulfurization efficiency have been experimentally investigated.

研究了脱硫灰渣再循环以及分级喷水对新型半干法烟气脱硫系统的特性的影响。