应用新技术将导流洞改建成旋流消能泄洪洞。
New technique is applied to reconstruct the diversion tunnel to the vortex flow tunnel with energy dissipation.
由导流洞改建而成的永久泄洪洞，在堵头末端存在导流洞与泄洪洞交汇的不利情况。
There is adverse spatial stress distribution at the end of the plug of diversion tunnel, which is to be transformed into permanent spillway tunnel.
这种新型结构将会给今后施工导流洞改建高水头大泄量竖井式泄水道带来广泛的应用前景。
Such a new kind of structure indicates a wide-ranging application of rebuilding a diversion tunnel.
作为新增项目，1B标承担了导流洞封堵的改建和封堵工作。
As additional project, 1b Lot includes reconstruction and plugging of diversion tunnel.
作为新增项目，1B标承担了导流洞封堵的改建和封堵工作。
As additional project, 1b Lot includes reconstruction and plugging of diversion tunnel.
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