[endoscopic]biopsy channel opening

bath space of opening style

Basin Opening

basement top slab opening

bare opening

banking reform and opening up

bag opening machine

baffle’s opening degree

baffle opening rate

baffle opening aperture

award at tender opening

automatic opening and closing fixture

Automatic Opening

automatic discharge opening

Automatic Bale Opening Machine

at-the-opening (opening only) order

Attention to unspecified artificial opening