近水面水翼
hydrofoil near free surface
水面/水下监视协调官
surface/subsurface surveillance soordinator
SSSC
水面水力特征
hydrodynamic feature of surface
梯形断面水面线
water surface profiles of trapezoid
Motif界面开发
Motif interface development
半敞开地道结构
Semi-open underpass structure