n. 防波堤
vt. 筑造防波堤
1.Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne.
实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；
2.Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne.
实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；