基本解释双向摆动门英汉例句双语例句The original seal structure and the improved seal structure of the double-leaf swing door at the outside end are described.介绍了外端双扇摆门的原密封结构和改进后的密封结构，对比分析了硅橡胶条、尼龙毛刷和羊毛毛刷的密封性能。词组短语短语double -leaf swing door 双扇摆门