查询词典 arc-weld

Driving system consists of gearwheel box, universal shaft couplings and arc-gear synchronous belt .

传动系统采用齿轮箱、万向轴联轴器、圆弧齿同步带相结合型式，传动构件安装在底板，避震性好。

Driving system consists of gearwheel box, universal shaft couplings and an arc-gear synchron belt with perfect driving accuracy and high mechanical efficiency .

传动系统采用齿轮箱、向轴联轴器、弧齿同步带相结合，同步性高，机械损耗小。

PDC bit crown profile, consisting of single circular arc parabola profile or dual cone profile with deeper inner taper is introduced. Cutter arrangement for various bits is determined. The bit is improved by the application of hybrid cutting structure and detailed analysis of hydraulic structure. Simultaneously, bit stability is enhanced using multiple bit stable structure design techniques such as deep inner taper, force balance and hybrid cutter arrangement etc.

提出了以单圆弧抛物线形轮廓或双锥轮廓配以较深的内锥组成PDC钻头的冠部轮廓，确定了各种钻头切削齿的分布密度，应用了各类切削齿混合设计切削结构，对PDC钻头的水力结构做了详细分析研究；同时，结合深内锥、力平衡、混合布齿等多种钻头稳定性结构设计技术，以增加钻头稳定性。

Making an arc in the air with her hand, Mrs. Dunbar adds,"She does not seem to be up here."

顿巴在面前做了个手势说：她不像是那种高高在上的人。

To assess the condition of arc quenching chamber of circuit breaker without disassembly itself, Dynamic Resistance Measurement is introduced in this paper.

介绍了一种不用打开灭弧室就可以评估断路器灭弧室状况的方法———动态电阻测量法，用此法很容易判断弧触头的烧损数值。

These constellations each measure an arc of 13 20' of the ecliptic circle.

这些星座，每一个各占有黄道带的13 20'。

In this paper, two methods are presented.- computer aided interactive pattern design and pattern edit. Pattern mapping is described in terms of the parameters concerned with arc length, which is applied in the ceramics enamel product design and results in reasonable and realistic pictures.

本文介绍了计算机辅助交互花纹图案设计及花纹图案编辑的方法，并提出了一种按表面弧长有关的参数进行花纹映射，而且将这种花纹映射原理应用于搪瓷陶瓷产品设计中，花纹绘制合理，图形表现逼真。

Summary: ACh is the main transmitter of spinal cord efferent neurons of the artificial somatic-autonomic reflex arc.

小结：上述结果表明在人工体神经-内脏神经反射弧中，脊髓传出神经元的递质主要是ACh。

It is an advanced welding tec hnol ogy to solve welding spatters of titanium alloy pressure vessels. Such a w elding method is held in vacuum condition and with a little argon gas through a hollow cathode to start a arc.

这是为解决钛合金容器焊接存在的飞溅问题而发明的一种先进的焊接工艺方法，在真空条件下，采用管状空心阴极，通入少量氩气，从而引燃电弧进行焊接。

Research on the harmonic analysis of arc furnace electric system based on frequency domain method is made.

文中对电弧炉电气系统谐波分析的频域方法进行了研究。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。