查询词典 rolling friction

It is not allowed to touch the rolling steel pipe with hand, and it is not allowed to

5.8 不允许用手触摸旋转的钢管，也不允许带手套操作切管机。

It is not allowed to touch the rolling steel pipe with hand, and it is not allowed

5.8 不允许用手触摸旋转的钢管，也不允许带手套操作切管机。

A bar of steel prepared for rolling.

有一货轮的钢材在海上遗失了。

A rolling finishing method for stainless steel bar surface conditioning is put forward.

提出了用连续滚压的方法对不锈钢钢筋进行表面精整。

DF4 type internal-combustion locomotive is main one in our country railway transport. The internal-combustion locomotive by designed and made of Dalain Locomotive and Rolling Stock Works is more 50 percent in our country retain gross. Starting Transmission Gear Box in auxiliary drive system of DF4 locomotive is a mostly part to ensure locomotive safe running.

东风4型内燃机车是我国铁路运输干线机车，大连机车车辆厂设计制造的内燃机车占全国运营保有内燃机车总量的50％以上，东风4型内燃机车辅助传动装置中的启动变速箱是保证内燃机车正常运行的主要部件。

To realize the goal of collecting rainfall and keeping fertilizer, this design uses a ridge-like rolling wheel with adjustable spring to compact ridge, and through adjusting the force of spring to form water flow barrier with different compaction intensities.

利用单圆盘起垄覆盖施肥带，并采用仿垄形加压式镇压器对垄面进行镇压，通过改变弹力来实现镇压力的调整，形成不同紧实度的水分运动障碍层，达到集雨保肥的作用。

All these will provide quantitative basis for improving design and promote the study of involute spline shaft's cold-rolling forming mechanism.

研究结果为花键改进设计提供了定量依据，同时也为深入研究花键冷滚轧成形机理奠定了基础。

By using explicit central difference algorithm and finite element software ANSYS/LS-DYNA, the numerical simulation of involute spline shaft's cold-rolling forming was realized.

利用显式中心差分算法，借助有限元分析软件ANSYS/LS-DYNA，通过数值模拟，实现了花键冷滚轧成形过程的可视化。

The use of nylon for the inner spline of transmission shaft and the cold rolling for outer spline.All have passed the ISO9002 international level since 2000 year.

产品的生产、检测全部采用ISO国际标准，2000年通过了ISO9002国际质量保证体系认证，取得了&国际认证证书&。

I wrought again; and when I had made a good deal of fire-dust I emptied it into a handful of dry brown grass, intending to carry it home and keep it always and play with it; but the wind struck it and it sprayed up and spat out at me fiercely, and I dropped it and ran, when I looked back the blue spirit was towering up and stretching and rolling away like a cloud, and instantly I thought of the name of it-smoke!

我又开始劳作。我造出了许多火灰，然后我把火灰放在一束已经干枯得变成棕黄色的草叶里，打算带回家保存起来，能够经常同它玩；可就在这时，一阵风吹来，它便飞扬起来毫不留情地向着我身上扑来，我扔下火灰飞跑。等我回头望去，只见那蓝色的精灵已凌空跃起，翻滚着，扩散着，犹如一朵云，蓦地，我便想出了它的名字--烟！

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