... 高摩合成闸瓦 high friction composite brake shoe 闸瓦背 brake shoe back 低摩合成闸瓦 low friction composite brake shoe ...
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Brake shoe back-moving spring 制动蹄拉紧弹簧
Steel Back Brake Shoe 钢背闸瓦
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The utility model solves the problem that in the past a hot rolling flat slate steel and a hot rolling wire were used to manufacture the brake shoe back, with consumption lowered.
本实用新型解决以往使用热轧平板钢和热轧线材两种材料制造瓦背的问题，降低了消耗，提高了经济效益。
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