minimum bend diameter meaning in English

最小弯曲直径

The minimum bending diameter should not be less than 25 times of the fiber / cable diameter
使用时光纤/光缆的盘卷直径不小于光纤/光缆直径的25倍。
The minimum distance between two hands holding pipe and minimum bending diameter are given for description of bending method and the practical values for real quality are less than these
最小两手距离及相应的弯曲直径是明确规定的布管方法，但是实际的产品品质可在本规定数值以下。