1.There is some friction among the family members.

1.家庭成员间有。

2.Family frictions can interfere with a child's schoolwork.

2.家庭中争吵会影响孩子学业。

3.When Joan returned to work, the friction between them increased.

3.琼回来工作后, 他们之间加剧了。

4.Semimetal Brake Materialsconsist of reinforcing fiber,friction element,lubricste elementand polymer.

4.半金属制动材料是由增强纤维、增塑剂、组元、润滑组元和树脂组成。

5.Friction gradually caused the sliding box to slow down and stop.

5.力使向下滑箱子渐渐慢下来后停住。

6.The friction force is therefore called a nonconservative or a dissipative force.

6.因此，力称为非保守力或耗散力。

7.It has vanguard technology of friction welding and chroming and so on.

7.具磨焊接和镀铬等先进生产工艺。

8.In designing a machine it is necessary to reduce friction as much as possible.

8.在设计一种机器时, 必须尽可减低。

9.The continuing activities, has the friction with clothes to affect flesh's eupnea, becomes dry.

9.经常活动，与衣服产生而影响肌肤正常呼吸，变得干燥。

10.Oil can reduce friction.

10.润滑油减小力。

11.Friction brake prevents overspin.

11.制动防止overspin 。

12.Matches are lighted by friction.

12.火柴由而生火。

13.And microscopic analysis indicates that some microsize mineral particles embedded friction surface, which make friction surface strengthened and recoverable.

13.同时，微观分析表明，微小圣矿物粒子大量嵌入表面，可对表面起到强化和修复作用。

14.The variations in habitus encounter the expectation of similarity and recognizability, leading to the frictions explored here.

14.当惯习变更与相似和易辨预期相遇时，就产生了本文所要探。

15.The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material.

15.研究表明，稻谷带电与稻谷含水率、速度、稻谷介电常数以及材料等因素有关。

16.In this paper, the testing data of friction factor between syenitic blocks under static and dynamic conditions are presented.Dynamic tes...

16.两种条件下动系数变化规律也有明显区别。

17.PTFE fiber has good corrosion resistance, low friction factor, nonflame, strong acid and strong alkali resistance, high temperature and low temperature resistance.

17.PTFE纤维具有优良耐腐蚀性,低因数,不燃,耐强酸、强碱、强氧化剂等强腐蚀性试剂或溶剂,耐高、低温性优良。

18.The nitrocellulose produced by this method is EXPLOSIVE and can deflagrate or even detonate violently on shock, friction, or spark when dry.

18.硝化纤维素被生产以这个方法是易爆, 可猛烈地迅速燃烧甚至起爆在震动、, 或火花当干燥。

19.The influence of a new high-performance bond on the heat-fading-resistance of a self-manufactured semimetal friction materials used for auto brake disk was discussed.

19.通过定速磨损实验,分析了新型高性粘结剂含量和制备压力对因数及磨损率影响,得到了优化制备工艺,为新型抗热衰退材料研究提供了理论和实验依据。

20.Friction Material Fade – When pads reach high temperatures they can sometime “outgas” chemicals that redeposit themselves on the surface of the brake pad.

20.性材料衰减——当刹车片达到高温时有时会“蒸腾”出一化合物并再次沉积到刹车片表面。