pitwheel

词形变化

pitwheels 复数 pitwheels

别名

pit wheel

释义与例句

n.
  1. 1.

    A wheel forming part of the machinery in a watermill, mounted on the opposite end of the axle to the waterwheel, and driving the wallower on the upright shaft or layshaft.

词源

From pit + wheel.

来源：wiktionary