spring beam

短语

词形变化

spring beams 复数 spring beams

释义与例句

n.
  1. 1.

    A beam of considerable span, without central support; the tie beam of a truss.

    商务 建筑 工程
  2. 2.

    A beam that supports the side of a paddle box.

    航海 交通
  3. 3.

    An elastic bar at the top of a tilt hammer, jigsaw, etc.