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- 箱形井架box derrick
- 提高箱形井架安装速度的新工艺New Technology to Improve Installation Speed of Box Type Mine Head Frame
- k形物形状象字母k的物体Something shaped like the letter K.
- 双斜撑箱形井架找正执行标准的探讨Discussion on Practical Standard for Vertical Correction of Double Inclined Supports Box Type Headframe
- K形方管加强节点的承载力研究The Research of Ultimate Strength of Welded K-type RHS Joints
- 箱形井架主要焊缝的焊接工艺及质量保证措施Welding tech. Of main welded joint in box derrick and quality assurance measure
- 无偏心K形圆钢管搭接节点焊缝长度计算Calculation of the Length of Welds at CHS Overlapped K-Joint without Eccentricity
- K形腿①unilateral genu valgun ②K-shaped leg
- 井架derrick
- 成形shaped
- 双边K形坡口double-K groove
- 异形heteromorphism
- K形坡口对接焊缝double-bevel butt weld
- 形的aitch
- K形搭接节点overlap K-joints
- 并对数值模型井架进行了几何非线性和双重非线性极限承载性能分析,得出预测A形井架的极限承载力必须考虑双重非线性的影响。In addition, this part discussed the geometric and double nonlinear ultimate bearing capacity aiming at numerical model and concluded that double nonlinearity must be considered if you want to acquire the ultimate bearing capacity of A-shaped mast.
- 六角形hexagon
- 心形heart-shaped
- 八边形octagon
- 楔形cuniform