filtration slits滤: filter; strain隙: crack; chink; crevice滤线板: filter device滤洗器: filter washer滤线器按钮: bucky button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:滤隙，即可在微信中查询翻译
