The surface deformation operates within the allowabledeformation of building. The research results have been successfully applied to coal mining.
设计矸石置换开采充填工艺，该研究成果已成功应用于工程实践。
2
For the deformation, the defect exceeds the allowable deviation of the component, should be installed before the ground correction, repair, qualified before installation.
对于变形、缺陷超过允许偏差的构件，应安装前，在地面进行矫正、修理，合格后方可安装。
3
Fork failure of a forklift truck mainly takes a form of plastic deformation exceeding allowable limit, fragile breakage and early stage fatigue breakage.