磨坊水流就是驱动水车的急流.A mill - race is the fast stream of water driving the wheel of a water - mill.磨坊急流是指能推动水车的一种水流.A mill - race is the stream of water driving a water - mill.我们这里陈列的水车有六种, 基本上囊括了我国链条式水车的各种类型.Our exhibition...