| 释义 |
troweling machine troweling machine[′träwl·iŋ mə‚shēn] (mechanical engineering) A motorized device used to spread concrete by operating orbiting steel trowels on radial arms rotated on a vertical shaft. troweling machineA motor-driven device that operates orbiting steel trowels on radial arms, which rotate on a vertical shaft; used to trowel concrete. |