base of a quay wall
... 岩壁梁：Rock face beam 岩壁基础：base of a quay wall 严重下陷：excessive settlement ...
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在此基础上，对洞室围岩及岩壁吊车梁的稳定性进行了评价。
Based on this, the stability of the surrounding rock mass and the rock wall crane girder is evaluated.
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