以下为句子列表：
英文: This device takes rubber (plastic cement) as substitute for metal bumper, inside it an inflated tyre is set, ineffective part joining front of supporting frame and bumper is removed, and replaced by metal connecting bar, bar front is fixed unto bumper, an
中文: 该装置由橡胶（塑胶）代替金属保险杠，内置充气胎，去掉前端大梁与保险杠连接的无效部分，以金属连杠代替，连杠前端固定于保险杠上，后端连接弹簧，弹簧的后端固定一钢碗紧贴充气皮球（两个），后皮球与另一弹簧的前端钢碗紧贴，另一弹簧的后端再放置一充气皮球。
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