查询词典 arc welding

In addition, The transfer property of arc light in the surrounding atmosphere around the arc column was measured and the distribution of arc light intensity and some characteristic signals was obtained.

另外，对弧焊过程弧光在电弧周围空间的传输进行了检测，获得了弧光强度及一些特征量在电弧周围空间的分布规律。

The arc data interpolation error by secant, tangent and chord, and the smallest error by secant mode is analyzed in this paper. The relation between the maximum radial error and arc radius and approach step-length in the secant mode of arc data interpolation in CNC system is detailed.

在分析数控系统圆弧数据插补割线方式较切线、内接弦插补方式误差更小的基础上，讨论了数控系统圆弧数据插补割线方式中最大径向误差与圆弧半径和逼近步长的关系。

On the basis of theoretical analysis to interrupting process in low voltage circuit breaker, a chain arc model is set up for magnetic field driven arc in arc chamber.

本文对低压断路器的开断过程进行了详细的理论分析，提出了一种低压断路器的链式电弧动态数学模型。

ABSTRACT A chain arc model is set up for magnetic field driven arc in arc chamber of low voltage circuit breaker in the paper.

针对低压断路器灭弧室中的磁驱电弧建立了链式电弧数学模型。

The thesis expounds the necessity of application of arc prolong measure in synthetic test,introduces general practices of arc prolong methods and their working principle at home and abroad,and proposes design criteria and parameter calculating method for arc prolong circuit .

论述了合成试验采取延弧措施的必要性，介绍了国内外大功率试验室通用的延弧方法和工作原理，提出了延弧回路的设计原则和参数计算方法，并对影响延弧效能的因素进行了分析，最后叙述了提高延弧成功率的措施以及今后可能出现的问题。

In the same circle or congruent circles, the circumferential angles opposite to the same arc or the equal arc are equal, and equal to half of the central angle opposite to the arc; The arcs opposite to the equal circumferential angles are equal.

在同圆或等圆中，同弧或等弧所对的圆周角相等，都等于该弧所对的圆心角的一半；相等的圆周角所对的弧相等。

Pass to expati at e the characteristics of segment double circular arc gear, introducing the appl ication of segment double circular arc gear in turbine compressor, It presented that segment double circular arc gear in the high speed and large deeply turbi ne compressor was necessary.

通过阐述分阶式双圆弧齿轮传动特点，介绍了分阶式双圆弧齿轮在透平压缩机中的应用，说明在高速、型透平压缩机中采用分阶式双圆弧齿轮是必要的。

We present two methods for generating a segment of circular arc by the vector valued continued fractions. Based on this method we construct a parametric rational arc spline that is GC〓 continuity. By adjusting the given tangent vector, this parametric rational arc spline also has convexity preserving property and monotonicity preserving property.

本文利用向量连分式给出了两种快速生成圆弧的新方法；在此基础上，本文还构造了一种GC〓连续的可调参数有理圆弧样条，在实际操作中，通过调整一侧端点的切向量，可使上述圆弧样条曲线保凸，保单调。

Our company's main products include: automatic submerged arc welder, CO2 shield welder, argon arc welder, manual arc welder, resistance welder, plasma cutter, contravariant welder and vacuum power source and crude oil heating power source, etc.

公司主要产品有：自动埋弧焊机、 CO2气体保护焊机、氩弧焊机、手弧焊机、电阻焊机、等离子切割机、逆变焊机及真空电源和原油加热电源等。

March 28, 1430 Joan of Arc (Jeanne d'Arc), according to trial testimony of the Inquisition; Joan of Arc was born in France's Champagne - Ardenne and Lorraine Regions boundaries called domremy rural, the father of Jacques · Duck, mother Isabella · Duck, there are three brother and one sister.

1430年3月28日贞德(Jeanne d'Arc)，根据宗教裁判审判证言；贞德出生于法国香槟-阿登大区和洛林大区边界一个叫做栋雷米的农村，父亲为雅克·达克，母亲为伊莎贝拉·达克，有三个哥哥和一个姐姐。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48