plugflow aeration推: push; shove曝气: aeration河流曝气: stream aeration; stream aerator轮流曝气: rotation aeration旋流曝气: spiral-flow aeration下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:推流曝气,即可在微信中查询翻译