机械工程

While Deere has a long-term presence in the manufacturing of agricultural equipment in China, this is the company's first manufacturing operation in construction equipment in that country.

迪尔在中国长期生产农用设备的同时，这是该公司在中国的第一家工程机械制造厂。

By analyzing the interdependence between the operating stress f0und in RET and the stress in actual operation environment,the formu／a for reliable probability was deduced based on interference mode1.Then an example was given to explain this approach's feasibility.RET could improve the reliability of products by improving the quality of design and manufacturing process.By using the interference model and the deuced formula,two ways of improving the reliability of products were analyzed.

应力强度干涉模型根据产品的应力和强度相互关系分析产品的失效，在传统可靠性工程中主要应用于机械产品可靠性分析，本文将这一模型理论运用于可靠性强化试验中，推导出了利用，强化试验数据计算产品可靠度的相关公式，将定力量分析引入RET中，解决了RET无法进行定量分析的问题。

I am in diesel engines, construction machinery industry established a good brand values and corporate image.

我公司在柴油机、工程机械行业树立了良好的品牌观念和企业形象。

Compared with the common optimization design, the mixed discrete variable optimization method has been widely used in the area of machine design.

在机械优化设计中，混合离散变量优化方法得到了广泛的应用，具有较高的工程应用价值。

The servo is used to achieve synchronous velocity between the drawing and knife rest. The system operates steadily in extruding production line for plastics pipe.

目前，该系统已在由北京化工大学塑料机械和工程研究所开发的PPR管材切割机中实现并运用。

According to their uses, there is piping, and thermal equipment, machinery for industrial use, high-pressure vessel, geological drilling, and oil for industrial use, chemicals for industrial and engineering structures, such as using steel pipe.

按其用途分类，有管道用、热工设备用、机械工业用、高压容器用、地质钻探用、石油工业用、化学工业用和工程结构用钢管等。

Key words: earth-moving machinery; seat; H point; CAD

关 键词：工程机械；驾驶室；座椅；H点； CAD

As important engineering machine, hydraulic excavator is widely used in earthwork construction and mine exploitation.

液压挖掘机作为重要的工程机械，广泛应用在各种土石方施工和矿山采掘业中。

The main products are Various parts of Electric Motor, Generator, Pump, Valve and Engineering machines.

主要产品为各种电机、发电机、泵、阀以及工程机械的零部件。

Hydraulic excavator is one of the main construction machine, and with the application of the electromechanics in this area, leading to the extra improvement in the machines performance.

液压挖掘机作为工程机械的主要产品之一，机电一体化技术的应用已使其各种性能都有了质的飞跃。

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。