pressure from surrounding rock的意思|示意

The impulsive dynamical pressure from frequent blasting has a strong influence on designed tunnel contour, construction error and stability of surrounding rock in the course of excavating tunnel.

在隧道爆破开挖中，频繁反复的爆破冲击动压力对隧道设计轮廓线、施工误差和围岩的稳定性等有很大影响。

Gas pressure from gas dissolved in the magma also exerts force on the surrounding rock. It cracks the rocks above the magma and then moves into the crack.

而溶解在岩浆的气体亦会对周边的岩石施加压力，令这些岩石破裂，这些气体从而渗入岩缝内。