winnower是什么意思

用法例句

In terms of the character of width,braid and bend of the Fengboqi shoal reach in the Chuanjiang River,authors analyzed the characteristic of the channel bed variation and the causes of navigation obstruction.

对川江风簸碛滩河床演变特性及碍航原因进行了分析,针对风簸碛滩弯曲,分汊,左槽过于弯曲、右槽枯水水浅的特点,确定了削弱左槽,开辟顺直右槽为枯水航槽的治理措施。