最后利用三维有限元计算坝址区的构造应力以及这部分卸荷拉裂夹泥岩体对工程(主要是地下洞室稳定性)的影响。
At last, computing tectonic stress of dam zone and the relaxed-tension rock mass influence on the engineering (mostly influence on stability of underground cavern) using three-dimensional FEM.
自动调节气压卸荷导轨利用压缩空气支承部分导轨载荷，以降低导轨面上的正压力，从而降低摩擦力。
In the automatic regulating pneumatic unloading guideways the compressed air is used to support part of the guideway load in order to reduce the normal force on the guideways.
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