7.There is some friction among the family members.
家庭成员间有些。
8.a considerable amount of friction between father and son.
父子之间颇多。
9.at Christmas, arguments and friction mock our pretence at peace.
圣诞节时争吵和使我们想佯装平安无事变得徒劳可笑。
10.In designing a machine it is necessary to reduce friction as much as possible.
在设计一种器时, 必须尽可能减低。
11.Family frictions can interfere with a child's schoolwork.
家庭中争吵会影响孩子学业。
12.The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material.
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。
13.It has vanguard technology of friction welding and chroming and so on.
具磨焊接和镀铬等先进工艺。
14.The friction force is therefore called a nonconservative or a dissipative force.
因此，称为非保守或耗散。
15.Friction gradually caused the sliding box to slow down and stop.
使向下滑箱子渐渐慢下来后停住。
16.When Joan returned to work, the friction between them increased.
琼回来工作后, 他们之间加剧了。
17.The present state of non asbestic friction material production in China and requirement in early years of 21st century are presented.
分析了我国非石棉材料现状及21世纪初需求量;
18.The friction drag coefficient increases with increasing afterbody fineness ratio and decreasing Reynolds Number.
，拉
。
壳与空气
成，部分未经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
