暗井 meaning in Chinese
[矿物学] blind shaft; winze; bonstay; jackshaft; pique; staple; staple pit; staple shaft
◇暗井井筒 blind shafts
Examples
- According to elastic mechanics theory and langrage equation , the first order shape function dynamic equation of tension weight of belt conveyor is derived , and the four series of experienced formulas is established , which provide theoretical instructions for determining the location of tension weight and the depth of concealed pit . 1fig . , 2tabs . , 5refs
根据弹性理论和拉格朗日方程，导出了带式输送机平衡锤的一阶模态动力学方程，求出了4组便于估算平衡锤振幅的经验公式，该经验公式为平衡锤的静平衡位置及暗井深度的确定提供了理论指导.图1 ，表2 ，参5