low-rate filter低: low负荷: load; charge; weight滤池: filter; filter chamber高负荷滤池: high-rate filter低负荷滴滤池: low-rate trickling filter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:低负荷滤池，即可在微信中查询翻译
