In the metallic tube producing method, a maximum diameter of the plug or tapered mandrel bar may be larger than an outside diameter of the mother tube.
在上述金属管的制造方法中，顶头或锥状芯棒的加工最大直径可以大于管坯外径。
In the heat transfer device the capillary structure with thickness gradient is fabricated by centrifugal forming technology so that it is possible of non-mandrel bar technology.
制造该热传递装置主要是利用离心成型技术制作具有厚度梯度的毛细结构，使得无芯棒工艺成为可能。
The electronic CAM can issue the special position signal of mandrel bar carnage and billet tube carriage. These signals are used as the cooperation of various automatic equipments.
电子凸轮能发出芯棒小车、荒管小车到达特定位置的信号，供各种自动化设备的协调配合之用。
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。
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。
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