1. The contribution of groyne height reduction to counteracting unwanted erosion is then considered a favourable incidental circumstance. 丁坝降低对减少一些对主槽不利的侵蚀是一项比较可取的措施。
2. This paper studies on the law of the kinetic energy correction factor near a groyne by a flume experiment basing on one dimensional energy equation of steady flow. 本文从一维恒定流能量方程式出发，通过水槽实验，研究丁坝附近动能修正系数的变化规律。
英英解释
n.
1. a protective structure of stone or concrete; extends from shore into the water to prevent a beach fr
