1、
So in-situ stress field is also one of base works about drilling engineering design.
因此地应力场的研究是钻井工程设计的基础工作之一.
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2、
So, stability of rock mass around underground cavern grows more remarkable.
因此, 地下洞室的围岩稳定性问题就变得尤为突出.
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3、
As many of you known, the Keller center was founded in2005, here in the engineering school.
总所周知，2005年凯勒中心在此地，-工学院正式成立。
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4、
