水面操纵的电动-液压机械手
surface-operated electrohydraulic manipulator device
水泥路面机械
concrete pavement machine
飞机水面降落
Airplane landing onto water
机械水力控制压力调节器
MHC (mechanical-hydr-aulic control pressure regulator
节水机械化
water-saving mechanization
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