outrigger

Make sure outrigger were fully extended and installed on firm pad.

确保外伸支架全部伸出并稳固于地面上.

互联网

Mechanical model for the elastic thick outrigger of roof coal is set up.

建立了顶煤弹性深梁力学模型,分析了顶煤应力分布及顶煤破坏形式.

互联网