流损失 recirculating: 环流,循环; 再循环的,回路的recirculating activation: 重复环行激动recirculating blower: 循环鼓风机recirculating dissolver: 环流式溶解器recirculating fan: 循环扇风机; 再循环风机下载手机词典可随时随地查词查翻译