... hinged bolt 可拆卸螺栓,活节螺栓... hinged truss 铰接桁架 hinged gate 回转式闸门 ...
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three-hinged truss 三角桁架
three-hinged truss arch 三铰桁架拱
two hinged arch truss 双铰拱桁架
three-hinged arch truss 三铰拱桁架
three-hinged stiffening truss 三铰加劲桁架
two hinged arch truss WESTBANK 双铰拱桁架
Equivalent hinged plane truss element 等效铰接平面桁架单元
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