air diffusion aerator空气: air; atmosphere扩散: spread; diffuse; proliferate ...式: type; style曝气: aeration器: implement; utensil; ware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:空气扩散式曝气器，即可在微信中查询翻译
