clearance space

短语

词形变化

clearance spaces 复数 clearance spaces

释义与例句

n.
  1. 1.

    In a steam engine, the space enclosed in one end of the cylinder, between the valve and the piston, at the beginning of a stroke, including the space caused by the piston's clearance and the space in ports, passageways, etc.

    可数 不可数 工程