Minimum mandrel diameter for bends, hooks and loops (see Figure 8.1)
弯曲处的最小心轴直径，鱼钩和圆环形（见图8.1。
In order to avoid damage to the reinforcement the diameter to which the bar is bent (Mandrel diameter) should not be less than.
为了避免损坏钢筋，钢筋最大弯曲处的直径(芯轴直径)最小应不低于。
By test and analysis, the direct reasons leading to failures are the defaults in designing coiler mandrel diameter change and controlling hydraulic system program but not the system parts themselves.
通过测试与分析，排除了液压系统元件本身的问题，认为卷筒变径设计缺陷和液压系统程序控制缺陷是故障产生的直接原因。
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