英汉例句

• taking nsr_40 roots blower as an example, the processing ways, technics and nc program of this twist tri_lobe profile on the lathe machining center is set forth in detail.

  以nsr- 40型罗茨鼓风机的三叶扭叶叶轮为例，详细阐述了这种叶轮型面在车削加工中心的加工方法、工艺和数控编程。

• the utility model relates to a roots blower a with new-type cooling mechanism, which is a blower for conveying elastic fluids.

  一种有新型冷却机构的罗茨鼓风机是一种输送弹性流体的鼓风机。

• the fluid dynamical performances of the ventilating system in roots blower workshop of a chemical plant are analyzed with the method of computational fluid dynamics(cfd).

  分析某化工企业罗茨鼓风机房通风系统流体动力学特性，探索了利用cfd方法研究通风系统的方法。

• our company is the production of professional trefoil roots blower manufacturers of products used in japan.

  我公司是生产三叶罗茨风机的专业厂家，产品采用日本工艺。

• the character on change of the shaft power with the differential pressure or rotational speed for roots blower is analysed, the conversion formulas for the shaft power are deduced.

  分析了罗茨鼓风机轴功率随压差和转速变化的特性，导出了相应的换算公式。

• the noise produced by roots blower was effectively reduced with advanced noise control techniques in the coal washing plant of fenghuangshan mine.

  介绍了凤凰山矿洗煤厂罗茨鼓风机房内外采用先进的噪声控制技术，有效地降低了罗茨鼓风机及周围的环境噪声。

• the work process accurate dividing of three blade impeller realized by the use of positioning in the processing of three blade impeller for roots blower are described.

  叙述了罗茨鼓风机三叶叶轮加工中用定位方法来实现三叶叶轮準确分度的工艺方式。

• technological process of regeneration of seal rib and profile on tri-lobe roots blower made in germany is introduced comprehensively using the technique of electric brush plating & hot spray welding.

  介绍了综合运用电刷镀、热喷焊技术对德国制造的三叶罗茨鼓风机密封筋、型面进行「再生」的工艺过程。

• the rotor of roots blower is the key component relate to the noise.

  罗茨风机的转子是影响噪声的关键零件。

• through the analysis and optimization of the system, equipment parameters, realized the increased fan unity, jointly with the roots blower fan run the transformation.

  通过对系统分析、优化、设备参数确定，实现了引增风机合一、离心风机与罗茨风机联合运行改造。

• we sincerely hope to cooperate with people of various fields . we will surely provide you with high-quality roots blower , together with our excellent technology and service!

  公司真诚希望各界人士与我们合作，我们将为您提供高质量罗茨风机，罗茨鼓风机技术与服务！

• finally the main content of the dissertation is introduced. in chapter two, the theory curve of vane of roots blower and the curve of the cut tool movement are introduced at first.

  第二章对罗茨鼓风机叶面数控加工中的相关理论进行了论述，分析了叶面的理论轮廓曲线的数学建模，给出加工过程中刀具的运动轨迹方程；

• a description is given of the prevention of reverse rotation of the roots blower for gasification and a comparison of several schemes for the prevention of reverse rotation.

  介绍煤气罗茨机防倒转情况，并对几种防倒转方案进行对比。

• the installation quality and maintenance technology of roots blower directly influence its operation.

  罗茨鼓风机的安装质量的维护技术直接影响其运行。

• a method to machining twisted impeller of roots blower with nc shaping machine was introduced.

  介绍了一种用数控刨床加工罗茨鼓风机扭叶转子的方法。

• then the effect of dosage of cutting to machining the vane roots blower and the equation of the curve of the cut tool movement are also mentioned when the force is acting on the cut tool.

  讨论了加工过程中切削用量对加工的影响，并给出在加工过程中，由于刀具受力而使刀桿发生变形时刀具运行的运动轨迹方程；

• this artical introduces the loud noise arised by the roots blower (d60-160), the analysis of the noise characteristics, noise control and the eliminating or decreasing of the noise in the years.

  简单介绍了d60—160型罗茨鼓风机产生的强噪声及其噪声特性的分析；几年来对其噪声的治理以及治理前后的噪声消减情况。