求翻译：岩溶区输电塔桩基础的稳定性受到诸多方面因素的影响和制约，评价起来比较复杂，因此准确地评价岩溶桥基的稳定性，并依此指导施工、设计一直是科研理论及工程实践领域中的热点和难题。是什么意思？

The stability of the power transmission tower pile foundation of the karst area by many factors and constraints, the evaluation is more complex, so an accurate evaluation of the stability of the karst bridge, and so guide the construction, design has been in the field of scientific theory and engine

Power transmission tower Karst area piles are subject to the stability of the basis of various factors and constraints, and impact evaluation, it is complicated to evaluate the accuracy of the lava bridge foundation, and stability in this construction, the design guide has been a scientific theory a

The karst area transmission tower pile foundation stability receives many aspect factors the influence and the restriction, appraises quite complex, therefore appraises the karst bridge foundation accurately the stability, and depends on this instruction construction, the design always is the scient

Stability of pile foundation in karst area of transmission tower is affected by many factors and constraints, the evaluation are more complex and therefore accurate evaluation of karst Foundation stability, and guide the construction and design is a scientific theory and engineering practice in the

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