So, choose as far as possible to improve the nozzle of small high cutting speed and cutting quality is useful, but the nozzle at low altitude may cause double arc phenomenon.

所以，选用尽量小的喷嘴高度对提高切割速度和切割质量都是有益的，但是，喷嘴高度过低时可能会引起双弧现象。

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The whole operation process are controlled by the computer, about 1000 DuoGe shower nozzle of water all sorts of color, Arabic Numbers across the world is so far away, how close to double.

整个操作过程均由电脑控制，约有1000多个喷头水柱组成各种颜色的阿拉伯数字，使世界各地既是那么的遥远，双是多么的亲近。

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The maximum cutting stress lie of the radial distance of 0.5 double diameter nozzle, while the maximum pull stress lie in the surface edge of the rock.

岩石破坏时最大剪应力位于0.5倍喷嘴直径的径向距离处，同时在固体介质表面边缘产生最大拉应力。

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