lever frame

名词 n.
中文释义

英文释义

名词 n.
  1. A frame in a signal box in which levers that operate signals and points are mounted.
    — All layout remodelling and resignalling at Stafford has already been finished; the colour-light signals, with their route-indicators, and the power-operated points are operated from the lever frames of existing signalboxes.

词形变化

lever frames plural
0 次浏览 数据来源: Wiktionary