查询词典 friction block

Friction disk with excessive abrasion, pressure in spring is reducing or loosing rivet in friction disk

磨擦片磨损偏大，弹簧压力降低，或磨擦片铆钉松脱。

Average friction factor of standard friction materials.

3该摩擦系数为配套摩擦材料的平均值。

The optimal factor of dry friction damping can be got by means of appropriate choice of dry friction parameters.

其中，干摩擦参数的变化对凸肩干摩擦付的阻尼特性构成重要影响，对它进行适当的选择，可望得到最优干摩擦阻尼因子。

The model was validated by the test data of the friction factor acquired from a high speed friction test bench.

采用高速摩擦试验台得到摩擦系数的试验数据，验证了模型的合理性。

According to the integral equations of pipe flow, the relationship between the friction factor and the log-law was approached, as well as the effects of low Reynolds number on the relation of friction factor.

利用管流的积分方程，深入探讨了摩擦系数关系式的系数和对数定律常数之间的关系，进一步分析了低雷诺数对摩擦系数关系式的影响。

The measurement of the friction is always one of the important components of the friction and wear test machine.

摩擦力的测量始终是摩擦磨损试验机的重要组成部分之一。

The basic requirements and characters of powder metallurgy friction material for airplane were reviewed, and the selection of the friction material for Boeing-737 airplane was studied by weighted analysis.

综述了飞机用粉末冶金摩擦材料最基本的功能要求和特点，并采用加权分析对Boeing-737飞机用摩擦材料的选择进行了研究。

Meanwhile, metal powders of Cu and Pb decrease the friction coefficient of PTFE composites, but Ni powder increases the friction coefficient.

金属填料Cu及Pb降低了PTFE复合材料的摩擦系数，Ni则增大了复合材料的摩擦系数；Cu的减磨效果最好，而Pb的减磨效果则最差。

The emphasis of this thesis is the study on the effect and mechanism of mechanical and friction performance caused by rare earth elements in iron based powder metallurgical friction material.

稀土在铁基粉末冶金摩阻材料中作用机理的研究稀土，铁基

Keywords Cu-based friction materials;nano-SiO2;friction and wear;powder metallurgy

铜基摩擦材料；纳米SiO2；摩擦磨损；粉末冶金

There are two types of gold deposits in this area, namely altered rock type and quartz vein type.

本区金矿床包括两种类型：柴胡栏子金矿床为蚀变岩型金矿；莲花山和红花沟金矿床属石英脉型。

You were home and it was two weeks ago.

你回到了家里。当时是两周前。