Friction device：摩擦力装置。 Friend：凸轮原理保护装置的传统名称。现在也可称为 Camalots，TCU's，Quads，Aliens，Big Dudes等等。
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mechanical friction device 机械磨擦装置
ultrasonic anti friction device 压电超声减摩机构
friction puller device 尼龙拉杆装置
hydra-friction cushioning-device 液压阻力缓冲装置
surface friction windup device 表面摩擦卷取机
friction-damp control device 摩阻控制装置
A cushioning device, such as a bundle of rope or a piece of timber, used on the side of a vessel or dock to absorb impact or friction.
缓冲装置一种减小震动或冲撞力的装置，如一捆绳子或一块木头，用在船或船坞的侧面以承受撞击或摩擦力。
But from abroad in the use of the airport runway friction coefficient test purchase of vehicles demarcation device error is found, it is impossible to guarantee the next instrument.
但在使用从国外购买的机场跑道摩擦系数测试车过程中发现标定装置误差太大，根本无法保证接下来的测量。
An experimental device for measuring the static coefficient of friction was designed.
设计了可进行静摩擦系数测定的实验装置。
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