... orifice control valve 孔板节流阀 orifice curve 孔板曲线 orifice differential 孔口压差 ...
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Moreover, curve prestressed anchorage cables are applied to eliminate or minish the tensile stress to prevent the cracks appearing on the deep orifice gate blocks.
此外，为了防止深孔闸墩部位的裂缝发生，设计采用对闸墩施加曲线形预应力锚索以消除或减小拉应力。
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