bag filter system袋: bag; sack; pocket; pouch形: form; shape过滤: filter系统: system过滤系统: filter system; filtering system; filtration system; system, filtration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:袋形过滤系统，即可在微信中查询翻译
