浸水面积
area of wetted surface
wetted surface area [= area of wetted surface
area of water surface
中纵浸水平面
central immersed longitudinal plane
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