主要部件

In this paper, Frequent fault diagnosis of the reducer are generalized through a great deal fault-cases of reducer were collected, and the fault mechanism and the vibration characteristics of the pivotal parts of gear and bearing are introduced in detail.

本文首先通过对减速机故障的大量调查及信息搜集，对减速机故障诊断中出现的主要问题进行了详尽的分析，特别对减速机易出现故障的关键部件轴承和齿轮的诊断机理进行了研究。

The Design of this include: the selection of motor, transmission part of the design, the design of speed reducer, shaft components, design, cabinet design, the main chain plate rolling machine, rack design, including reducer such as lubrication and sealing.

本次设计的设计主要包括：电动机的选取，传动部分的设计，减速器的设计，轴系部件的设计，箱体的设计，小型轧钢机主体，机架的设计，其中包括对减速器的润滑和密封等。

The Design of this include: the selection of motor, transmission part of the design, the design of speed reducer, shaft components, design, cabinet design, the main chain plate rolling machine, rack design, including reducer such as lubrication and sealing.

本次设计的设计主要包括：电动机的选取，传动部分的设计，减速器的设计，轴系部件的设计，箱体的设计，链板轧制机主体，机架的设计，其中包括对减速器的润滑和密封等。

Transmission System is the most important automotive components, mainly used to change the engine driving wheel on the spread of torque and speed, it's designed to have a direct impact on the actual use of motor vehicles.

变速器是汽车传动系统中重要的部件，主要用来改变发动机传到驱动轮上的转矩和转速，它设计的好坏直接影响到汽车的实际使用性能。

ABSTRACT The contacts of electrical apparatus are the key components for accomplishing the change-over function and the principal factor fo...

电器的触头是完成切换功能的关键部件，是决定低压电器电寿命的主要因素。

The battery pack include Li-ion cells, pack shell, control-protect circuit board and binding interface etc., which has high capacity, low weight, small volume, long cycle life, safety, friendly environment and conveniently replacement.

蓄电池组主要包括锂离子电池组合电芯、外壳、控制保护电路板、接口等部件，具有容量高、重量轻、体积小、使用寿命长、安全、绿色环保、替换方便等突出优点，可直接与现用客车蓄电池进行互换。

Tub coal truck is the major transport machinery ,mine truck isvulnerable in the most components of mine truck .

矿车是煤矿运输中的主要运输机械，而矿车轮又是矿车的易损部件。

Tub coal truck is the major transport machinery ,mine truck is vulnerable in the most components of mine truck .

摘要矿车是煤矿运输中的主要运输机械，而矿车轮又是矿车的易损部件。

Tub coal truck is the major transport machinery ,mine truck is vulnerable in the most components of mine truck .

矿车是煤矿运输中的主要运输机械，而矿车轮又是矿车的易损部件。

For the groove part, at present, direct bevel cutting technology has been used in NC cutting machine in developed country. The mainly used function part is rotary cutting torch.

对于有坡口的零件，发达国家已经采用在数控切割机上直接切割坡口的技术，其采用的主要功能部件是回转割炬。

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。