The pre feasibility study must be put forward before the appraisal and the establishment of the large scale and middle scale railway construction projects.
铁路大中型建设项目在审批立项之前，都必须进行预可行性研究。
Synfuels China also planned a huge CTL plant in Guizhou Province and prepared a pre-feasibility study on the project.
中科合成油在贵州也规划了煤制油项目，目前已经完成了预可研。
Hydrofracturing in situ stress measurements were used to determine in situ stress states of two drill holes for the pre-feasibility study of an underground reservoir at an engineering site in China.
本文运用水压致裂地应力测量方法，对我国某地下油库预可行性研究工程场区两个钻孔进行了地应力测量。
Hydrofracturing in situ stress measurements were used to determine in situ stress states of two drill holes for the pre-feasibility study of an underground reservoir at an engineering site in China.
本文运用水压致裂地应力测量方法，对我国某地下油库预可行性研究工程场区两个钻孔进行了地应力测量。
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