big opening easy open lid production line
at-the-opening (opening only) order
Big bang-big crunch optimization algorithm
big companies and big groups
Opening-Closing-Opening Test
reform and opening-up; reform and opening to the outside world
Big Non-tradable Share and Small Non-tradable Share
2-D convolution with big kernel in low-rank
a big agricultural county
a big-pile up involving six cars
a cell line of Big-head
air pressure of big secondary air box
alternated big-belly yarn