求翻译：a定钳盘式制动器 ,制动盘固定在轮毂上。横跨在制动盘上的制动器固定安装在车桥上，它既不能旋转也不能延制动盘轴线方向移动。制动钳内装有两个活塞分别位于制动盘两侧。活塞后面有盛满制动油液的制动轮缸。是什么意思？

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a decides the pliers disc brake, the brake disc fixes on the wheel hub.The spread-eagle installs fixedly on the brake disc brake on the vehicle bridge, it already cannot revolve cannot extend the brake disc spool thread traverse.In the brake pliers is loaded with two pistons to be located the brake

A fixed caliper disc brake, brake disc fixed to the hub. TRANS-brake disc brake on a fixed installation in the car on the bridge, it does not rotate nor extend the brake disc move in the direction of an axis. Brake caliper with two pistons are located at the brake disc on both sides. Behind the pist