vertically bi-parting door
vertical truss member 垂直杭架构件 vertically bi-parting door 直分门 vertically sliding bi-parting counterweight door 有对重垂直中心滑动门 ..
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短语
双扇直分门
two panel vertically bi-parting door
垂直中分门
bi-parting door
直分四扇门
two speed bi-parting door
直分双扇门
[建]
bi-parting door
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