In certain cases friction is an absolute necessity.

在某些情况下,摩擦是必须的

属类：工程技术-科技英语-

In a document copying machine or duplicator,a device that separates by friction successive sheets of paper from the paper stack and feeds them into the machine.

在文件复制机或复印机中,通过摩擦把堆叠的纸张从纸堆分开并馈入机器的一种装置。

属类：综合句库--

Usually, the paper will jump up to the brush, attracted by the electrostatic charges formed by the friction between your hair and the brush.

在一般情况下,纸片会朝着刷子的方向跳动,这是由于头发与刷子的摩擦产生的静电荷对纸片产生吸引的缘故。

属类：行业术语-纺织服装-

Quick and simple clamping is achieved by using a friction taper that provides sufficient torque transmission.

在有足够的带动转矩时,采用摩擦圆锥体使夹紧快速又方便.

属类：机械模具-机械模具-机械夹具

It is possible that the friction of the cage may have had a predominant effect in this case

在这种场合,保持架的摩擦可能会具有主要的影响。

属类：综合句库--

Early pericarditis may also produce a friction thrill

早期心包炎也会产生一种摩擦性震颤。

属类：综合句库--

Resistance to rotation is created by fluid friction and circulation of the liquid (usually water)from a series of pockets in the rotor to a series of complementary pockets in the stator.

制动力来自液体的摩擦,以及从转子内一些水室到定子内一些辅助水室间的液体(通常是水)循环。

属类：工程技术-机械与工具-

The friction of the bearings causes them and the lubricating oil which is circulating through them to warm up.

轴承的摩擦使轴承和流通于轴承间的润滑油发热。

属类：工程技术-科技英语-

Piles support loads either by bearing directly on rock or suitable soil or by developing friction along their very ample length.

桩是通过获得石块或坚实的土壤的支持或依靠其长截面产生的摩擦来支持建筑物的产生的荷载。

属类：工程技术-建筑-

This paper reviews the recent development of the study on heat transfer and friction characteristics of fin-and-tube exchangers with different fin surfaces (plain , corrugated, silt and louver fin surface)

概述目前国内外空调制冷行业中普遍采用的几种不同翅片类型(平直翅片、波纹形、条缝形翅片、百叶窗形翅片)的换热特性和压降特性的实验研究进展,

属类：化学及生命科学-化工-制冷论文