Navigable Bridge-Opening
old bridge with opening wide
at-the-opening (opening only) order
Opening-Closing-Opening Test
reform and opening-up; reform and opening to the outside world
assistant shipping channel bridge of Harbin Songpu Bridge
bridge to bridge communication
bridge to bridge radio telephone
bridge-breakagefusion-bridge cycle
bridge-to-bridge communication
bridge-to-bridge communications
half-bridge full-bridge
main bridge of Changjiang River Bridge Shanghai
main bridge of Hemaxi Bridge
resistance inductance- capacitance bridge (RLC bridge)