troffer

n. (荧光灯)凹形反光槽,暗灯槽

词形变化

troffers 复数 troffers

别名

trougher

释义与例句

n.
  1. 1.

    A rectangular, trough-shaped light fixture, typically for mounting in or on a ceiling to light the area below, and usually containing two or three fluorescent bulbs.

    Each fluorescent troffer in the room contained three lamps and two ballasts.