承压水头;
The highest artesian hydrostatic head of the upper is 614 m, and the maximum internal water pressure of the lower is 11.81 MPa.
无衬砌压力井洞承受最高静水头614m,压力钢管承受11.81MPa的最大内压。
The hydraulic expansion seal has been adopted under the artesian head of 120 m, which breaks the domestic record of such seal used in submerged radial gate.
在120m承压水头下采用液压伸缩式水封,刷新了潜孔弧形闸门使用该种水封的国内记录。
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