donkey engine
短语小型辅助发动机,小型机车
词形变化
donkey engines
复数
donkey engines
释义与例句
n.
-
1.
A steam-powered winch, once widely used in logging operations, also found in the mining and maritime industries.
历史 -
2.
Any of a class of machines that used donkeys as a source of power to an output shaft or sheave.
历史