... 双向摆动门 double swing door; 双向板 two-way slab; 双向半导体闸流管 bilateral triode switch; ...
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... double swinging door 折叠式双开门 double swing door 双摆 double folding door 下有吊顶的楼板筛面 ...
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double-swing door 双面摇门
double-leaf swing door 双扇摆门
double panel swing door 双扇转动门
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。
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