ceiling strut การใช้

He leaped up to the metal ceiling struts of the hauler and into gymnastic spins until his parents yelled him down.
Some galleries are distinguished by double-height ceilings; others have been opened up by replacing columns with ingenious systems of ceiling struts that look like they've been there all along.
Zimmerman repainted the set, added computer consoles, raised the captain's chair for a more commanding presence, and reworked the bridge's ceiling struts; Zimmerman had always been unhappy with how the ceiling looked but had never had the time or money to rework it previously.