monitor nozzle

短语

词形变化

monitor nozzles 复数 monitor nozzles

释义与例句

n.
  1. 1.

    A nozzle firmly mounted to a vehicle or structure and capable of turning completely round in a horizontal plane while having a limited play in a vertical plane, used in hydraulic mining, fire-extinguishing apparatus, etc.

词源

From the resemblance of the rotable nozzle installation and its degrees of freedom of movement to that of the gun turret on a monitor (the type of warship).

来源：wiktionary