短語詞組短語radial check gate 弧形節(jié)制閘門radial steel gate 弧形鋼閘門automatic radial check gate 自動(dòng)弧形節(jié)制閘門steel radial sluice gate 弧型鋼閘門radial sluice gate 弧型閘門surface radial sluice gate 表孔弧門mid span radial sluice gate 中孔弧門radial -gate in deep-outlet 深孔弧門inverted radial gate 反向弧形閘門 返回 radial gate