multiple opening box-type culvert
Calibration without Opening the Box
square opening single end box wrench
at-the-opening (opening only) order
Junction Box， Connection Box， Connector Box
Opening-Closing-Opening Test
reform and opening-up; reform and opening to the outside world
box-girder and box-pier
box-on-box type substructure
box-type negative-pressure boiling dry-box
continuous box girder with one box double cells
Goldberg-Hogness box (TATA box) TATA
internet in a box software Internet in a box
single box double room box girder
[endoscopic]biopsy channel opening