manograph

流(体)压力[强]记录器, 压力计, 示功器, 压力记录仪

词形变化

manographs 复数 manographs

释义与例句

n.
  1. 1.

    An optical device for making pressure volume diagrams for high-speed engines, involving a light-tight box or camera having at one end a small convex mirror reflecting a beam of light onto the ground glass or photographic plate at the other end. The mirror is pivoted so that it can be moved so as to copy the motion of the engine piston on a smaller scale.

词源

From Ancient Greek μανός (manós, “thin, rare”) + -graph.

来源：wiktionary