extra-long tunnel 特长隧道
Qinling extra long tunnel 秦岭特长隧道
extra-long tunnel under construction 在建特长隧道
extra-long perforation tunnel 特长射孔孔道
extra-long railway tunnel 特长铁路隧道
extra long highway tunnel 特长公路隧道
extra-long highway tunnel 特长公路隧道
The paper expounds the measures for lowering the temperature in tunnel during the construction of the Qinling extra long tunnel.
本文主要论述了秦岭特长隧道施工降温的措施，为我国以后在修建长大隧道中的施工降温问题提供了经验。
The measurements of ground stresses by using the hydraulic cracking method within the deep boreholes were proceeded at the Qinling extra long tunnel district.
秦岭特长隧道地区采用水压致裂法进行了深钻孔的应力测量。
The results show that the ground stresses at Qinling extra long tunnel district have been expressed in some specialities mainly by the gravitational stress field.
结果表明，秦岭特长隧道地区地应力表现了以重力应力场为主的某些特征。
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