真机的部分稳定性试验表明，机组存在较宽的水力振动区；
The stability test on real turbine showed that the generating unit has a wide hydraulic vibration area.
但由于机组转动惯量小，稳定性差，相应水轮机水力振动对其影响也较大。
But because of small rotating inertia of units and lack of stability, thus hydraulic vibration induces huge effect.
应用水力振动固井技术，寻找提高三次加密调整井固井质量的途径和方法。
Using the shaking cementing technology, it looks for the approach of enhancing tertiary infilling adjustment Wells 'cementing quality.
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