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弹簧门
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弹簧门
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double swing door
弹簧门
一种水平开启的门,与普通平开门一样其转动轴位于门侧边,所不同的是弹簧门采用了弹簧铰链(合页)或门顶弹簧、地弹簧代替普通铰链,使得门扇可顺时针和逆时针双向旋转开启,且能自动关闭。
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drug transporters
drug uptake ratio in tissue
Drum
drum
Drum Accompaniment to Peking Opera Passages
drum and play music melody
drum-and-wind music in Shandong province
drum and wind music in Shanxi province
drum at the court beaten for complaint
drum dance
drum dance of Hani
Drumheller Strike
Drumian Stage
drum lens
drum level control system
drum-like stone of Qin State
drumming for message
Drum Mountain Scenic and Historic Area
drum plotter
drum printer
drum scanner
drum screen
drum solid
drum tower
Drum Tower at Matian
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