短語詞組短語economizer tube 節(jié)熱管;省煤器管loop economizer 蛇形管省煤器tube economizer 管式省煤器;省煤器gas economizer 煤氣節(jié)省器integral economizer 整體省煤器;組合式省煤器;內(nèi)置式省煤器;內(nèi)置式經(jīng)濟器upstream economizer 逆流式省煤器Economizer system 新風經(jīng)濟運行;省煤器系統(tǒng);節(jié)能系統(tǒng);節(jié)省用氧系統(tǒng)steam economizer 蒸汽節(jié)熱器waterside economizer 水側(cè)的節(jié)能裝置 返回 economizer