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recirculating heater: 环流加热器; 循环加热器下载手机词典可随时随地查词查翻译