常見例句雙語例句Whichever method is used, and finally the need to brake drum brake shoe and the contact area for more than 70%.無論采用哪種方法，最后必須使制動(dòng)鼓與制動(dòng)蹄的接觸面積達(dá)到70%以上。The compositions and the properties of P/M brake shoe and brake pad are summarized with results of, domestic and foreign research and development projects.本文介紹了高速列車摩擦制動(dòng)和粉末冶金閘瓦及閘片材料的成份、性能和國(guó)內(nèi)外研究概況，并對(duì)我國(guó)高速列車制動(dòng)材料的發(fā)展提出了建議。The utility model can not only ensure sufficient adhesion for the frictional materials and the brake shoe bottom plate but also will not lower the strength of the bottom plate.本實(shí)用新型既能保證摩擦材料與剎車蹄底板有足夠的附著力，又不會(huì)降低底板強(qiáng)度；ip.com 返回 brake shoe