趣英语 / backup的意思

backup的意思

n.
支持，后援，阻塞，<计>备份文件，[乐]伴奏

adj.
备用的，后补的，支持性的，伴奏的

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    Small rectangular backup bars were used to fabricate the web - bottom flange connection.在腹板与下翼缘的施焊中使用小矩形挡板.Stop lights, backup lights , and four - way emergency flashers also aid in vehicle safety.停车灯 、 倒车灯和紧急闪烁灯也是有助于车辆安...

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