查询词典 lubrication

The oil-saving agent can be added in fuel oil at low dose with the proportion of 0.005-0.020% and has the functions of combustion supporting, lubrication and carbon deposition removing; road tests show that the oil-saving rate reaches 8%-15%.

该节油剂以较低的剂量0.005-0.020％比例加入燃油中，具有助燃、润滑和清除积碳的作用，行车试验表明节油率达到8％-15％。

Particular attention must be paid to the lubrication and protection against possible passage of current that can cause serious damage to the raceways of the bearing rings, resulting in enormous repair costs.

必须特别注意的润滑和保护，防止可能通过电流，可能会造成严重的损害，滚的轴承套圈，造成巨大的修理费用。

Optimized geometry of the roller raceways, rollers with logarithmic profile and an integrated optimized lubrication system are increasing the technical and economical value.

滚柱滚道的几何最优化，拥有对数的外形和整合优化的润滑系统提升了技术和经济效益。

Firstly, the piston pin boss bearing, the piston pin and the connecting rod small end bearings were taken as a whole system, and the fourth-order Runge-Kutta method was used to solve the rotation speed of the piston pin operating in hydrodynamic lubrication.

首先，将活塞销孔轴承与活塞销及连杆小头轴承作为一个系统，利用四阶的龙格库塔方法求解了活塞销在流体润滑状态下的转动速度。

While a ball mill is working, balls in the mill are lifted, and then are thrown away with a certain velocity to collide raw material. But at the same time, balls and underboarding are also got collision which may make balls and underboarding fracture. Considering the tough lubrication condition and dust and prills have easy access to meshing zone of gears, the heavy abrasion on gear surface often appears in the upstage gear of open-gear transmission of ball mill.

当球磨机正常运转时，磨球被提升到一定高度后抛落，以一定的速度对物料产生冲击而粉碎物料，同时也对磨球和衬板自身产生冲击，这可能造成磨球和衬板的破球磨机的末级开式齿轮传动，由于润滑条件差，粉尘、金属颗粒容易进入啮合区，齿面常常出现严重磨损，导致齿廓形状发生变化，最后因齿厚磨损过多而折断。

The oil has to have a low pour point in order to flow and still have sufficient viscosity for the compressor lubrication.

油不得不具有有一个很低的流动点（流点：油或其他液体在规定条件下流动的最低温度），还需要有足够的粘度作为压缩机的润滑作用。

High-speed spindle system should have sufficient rigidity and high precision rotary; light weight, compact structure, small inertia; good thermal stability; vibration and noise; good cooling and lubrication system.

高速主轴系统应具有足够的刚度和高的回转精度；重量轻、结构紧凑，惯性小；良好的热稳定性；振动和噪声小；良好的冷却和润滑系统。

Has excellent lubrication function, very suitable for frictional car washing, can effectively reduce the friction on the paintwork.

具有极佳的润滑功能，非常适合摩擦性洗车，可有效减少对车漆的摩擦。

Kinematic and dynamic calculations are carried out, and the features of intake and outtake valve train are got. Especially, the area of fullness ratio of the valve lift curve, cam to tappet contact stress, lubrication coefficient and the features of valve seating are analyzed.

在此基础上分析了配气机构进排气部分的工作特性，着重从气门升程曲线的丰满系数、凸轮与平面挺柱间接触应力，凸轮与平面挺柱间润滑效果以及气门落座特性等方面进行了分析。

The establishing method of stamping tools and blank finite element model are studied. Some approachs which make simulation model construction accurate and rational are proposed. The definition methods of blank holder force, punch velocity and lubrication condition are elaborated.

研究了覆盖件模具、坯料的有限元模型建立方法和提高仿真建模准确性、合理性的途径；阐述了如何设置压边力、凸模速度、润滑等工艺条件。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。