同义词
1)water surface slope,水面坡度2)slope of surface,水面坡度3)surface slope,水面坡度4)slope of water table,水面坡度5)slope of water surface,水面坡度6)upstream slope of dam,坝的迎水面坡度7)water-table gradient,地下水面坡度;地下水面比降 WTG8)water level,水面9)water plane,水面10)water surface,水面