# double arc

• 双弧

## double arc的用法和样例：

### 例句

1. This paper analyses and calculates the geometric parameters of the double arc ball slide.
本文对双圆弧截面滚珠导轨的几何参数进行了分析和计算。
2. As a welding method of high efficiency and low energy consumption, double arc welding has a favorable foreground in the practical production.
双弧焊接作为一种高效节能、优质经济的焊接工艺方法,在实际生产中具有良好的应用前景。
3. A grinding wheel dressing device is introduced,which is used in the vertical CNC grinder to grind double arc raceway of rotary support bearings.
介绍了主要用于立式数控磨床大型回转支承双圆弧滚道加工的数控砂轮修整装置。
4. According to the analsysis of horizontal well's trajectory, this article introduced nine kind of horizontul profiles, such as single arc, double arc and so on.
水平井选料轨迹有一般造斜、垂直造斜点、目的层水平段、稳斜加下造斜、上选料加稳斜、单一稳斜、双圆弧造斜、单圆弧造斜及单圆弧造斜加水平稳斜轨迹等9种类型。
5. The Circular -Arc-Tooth-Trace gear with double arc flank profile has the tooth trace of CATT gear and the tooth flanks profile of double circular arc gear, therefore the gear is convex-concave engaging in both flank profile and tooth trace.
圆弧齿线双圆弧齿轮是采用双圆弧齿轮的齿廓和圆弧齿线圆柱齿轮的齿线而形成的新型齿轮,独特的凸凹啮合齿线和凸凹啮合齿廓,使其齿面接触强度和轮齿弯曲强度都得到了很大提高,是一种应用前景十分广阔的新型齿轮。
6. The numerical results show that the double arc transition form can make different cylinder shells eliminate stress concentration at two ends and amend stress distribution of changeover portion.
计算结果表明：双圆弧式的过渡形式能使不同直径圆柱壳两端连接处消除应力集中和改善过渡段应力分布。