查询词典 rolling friction

And for tics to indicate Tourette's syndrome, both vocal tics （eg, grunting, beeping, throat-clearing） and motor tics （eg, shoulder po ing, eye rolling, blinking） must co-exist for longer than a year.

此时，如果要确诊抽搐者患了图雷特氏病，那么声音抽搐（如发出呼噜、嘟嘟，清喉声）和运动抽搐必需同时存在超过一年。

The three-roll planetary rolling process of copper alloy tube was simulated and analyzed by finite element method .

目前三辊行星轧制紫铜管坯的技术已相对成熟，而利用三辊行星轧机轧制铜合金管坯的实验和研究却相对很少。

The three-roll planetary rolling process of copper alloy tube was simulated and analyzed by finite element method .

对B10铜合金管坯旋轧成形过程进行三维热力耦合仿真模拟。

The structural principle, rolling mechanism and movement rules of the three-roll planetary mill have been introduced.

阐述了三辊行星轧机的结构原理、轧制机理及其运动情况，在对三辊行星轧机分析研究的基础上，设计制造了一种新型三辊旋轧试验机。

Attachment of a special device to the three-roll bending roller allows the quality and efficiency of bending and rolling-up for cone-shaped bodies to improve.

本文介绍了在三辊卷板机上附加一工艺装置可使锥体弯卷的质量和效率大大提高。

The forcasting value of the simulation was approved by experiment results. So the finite element method can be used on other kinds of copper alloy tubes in three-roll planetary rolling process.

相应实验结果证明铜合金管坯有限元模拟具有很好的仿真预测价值，并可用于探索其它类型铜合金管坯旋轧成形规律。

And its holding of shares by a subsidiary of Baosteel Baoshan Iron and Steel Pipe Lu spent more than 50 billion yuan in constructing the steel project, using the worlds most advanced products are the highest grade of three-roll rolling machine.

由宝钢股份与其控股子公司鲁宝钢管花费50多亿元共同兴建的钢管项目，采用世界最先进、产品档次最高的三辊连轧机组。

The occurrence probability and existence form of internal defects in rolled pieces during three-roll and two-roll cross wedge rolling were compared and analyzed by finite element numerical simulation.

采用有限元数值模拟方法，比较分析了三辊楔横轧与两辊楔横轧轧件内部缺陷的产生几率和存在形式。

The reason that the internal defects little occur at the center points and fissure takes an annular form during three-roll rolling was expounded based on the state of stress and strain at the center of rolled pieces.

根据轧件内部的应力应变状态，阐述了三辊轧制轧件中心点缺陷产生可能性较小和断裂呈环向裂纹的原因。

The new three-high rolling stand ensured higher precision of pre-finished cylindrical pipe, which made it possible to meet the precision requirements for shaped pipes used in the nuclear power industry.

新的三棍轧制台确保了之前完成的圆形辊的高精度性，这也可以满足用于核电产业的异性钢管的高精度。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48