1.
Pulley bearings are frictionless.
滑轮轴承是无摩擦的。
2.
If the wall is frictionless, ??is horizontal.
如果墙壁无摩擦，?痪臀0水平方向。
3.
The suspension of the mirrors must be very frictionless, but strongly damped.
反射镜的悬挂既要无摩擦，但又要有强阻尼。
4.
In motion with a fixed frictionless constraint, no work is done by the constraint.
在固定的无摩擦约束运动中，约束力不作功。
5.
Articulated without friction and capable of being prolonged like a vowel.
流音的无摩擦清晰发出并可象元音一样延长的
6.
Small open torque, seat almost without attrition and long serving life.
开启力矩小，密封副无摩擦转动，阀门使用寿命长。
7.
Design of Orbit Non-Friction Ball Valve and its Development of CAD System;
轨道式无摩擦球阀设计及CAD系统的开发
8.
Study on the preparation and tribological performance of asbestos-free paper-based friction material;
一种无石棉纸基摩擦材料的摩擦磨损性能研究
9.
DZD1 Brake are Singledisc brakes, friction disc non-asbestos lining/ steel.
DZD1系列系通电工作单摩擦付型制动器，摩擦付为无石棉复合材料/。
10.
DZD Brake are Singledisc brakes, friction disc non-asbestos lining/ steel.
DZD系列系通电工作单摩擦副型制动器，摩擦副为无石棉复合材料/。
11.
The Asbestos-free Friction Material Component Optimization Designs and the Performance Analysis of Friction and Wear;
无石棉摩擦材料组分的优化设计及摩擦磨损性能的分析
12.
Roles and Mechanisms of Zircon in Semi-Metelic and Non-Metallic Friction Materials;
硅酸锆在半金属和无金属摩擦材料中的作用和摩擦机理研究
13.
Boundary friction is independent of the guide material used.
边界摩擦与导纱杆材料质地无关。
14.
Sliding friction is independent of the area of surface in contact.
滑动摩擦力于表面接触的面积无关。
15.
Study on the Friction Thermal Effect of Non-latitude Belt Binding Machine Brake;
无纬带绑扎机制动器摩擦热效应研究
16.
An Analysis of Weak No-arbitrage in a Friction Compicates Market;
复杂摩擦金融市场中的弱无套利分析
17.
"There are three classes offriction: dry, greasy, and viscous. "
有三种摩擦状态:干摩擦、滑动摩擦和粘性摩擦。
18.
pertaining to or worked or produced by friction.
关于摩擦或摩擦力，由摩擦或摩擦力产生。