flued opening扳: turn; pull边: side; section开: open; turn on; switch on; be ...孔: hole; opening; aperture翻边开孔: flued openings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:扳边开孔，即可在微信中查询翻译
