hexagon head bolts for steel structures 中文意思是什麼
hexagon head bolts for steel structures
解釋
鋼結構用六角頭螺栓-
Specifications of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures
鋼結構用高強度大六角頭螺栓大六角螺母墊圈技術條件 -
Specifications of high strength bolts with large hexa - gon head, large hexagon nuts, plain washers for steel structures
鋼結構用高強度大六角頭螺拴大六角螺母墊圈技術條件 -
Slotted countersunk head bolts with hexagon nut, for steel structures
鋼結構用帶六角螺母的帶槽沉頭螺栓 -
Hexagon head bolts with hexagon nut for steel structures
鋼結構用帶六角螺母的六角頭螺栓
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