更换制动片时，应同时更换扩张弹簧、制动活塞减震板和制动卡钳紧固螺钉。
The expanding spring brake-piston damping plates and brake calliper fastening screws must be replaced whenever the brake pads are changed.
本文设计了一种质量板在四个球面上滑动的FPS型MTMD减震系统，并安装在某输电塔的横担处。
Moreover, the structure and fasten of the device are convenient. A FPS-MTMD system was designed, in which a mass-plate slides on four spherical surfaces.
用途：主要用于油封、轴套以及胶管、阀门、减震制品、印刷胶板、输送带、防水圈等橡胶配件。
Usage: mainly used as rubber accessories like oil seals, bearing suits as well as rubber ducts, valves, shock absorbing wares, printing rubber plates, conveyance belt and waterproof rings, and so on.
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