washers for steel structures meaning in Chinese

钢结构用垫圈

Washers for steel structures - part 1 : product grade c
钢结构用垫圈.第1部分: c级产品
Washers for steel structures - part 2 : product grade a
钢结构用垫圈.第2部分: a级产品
High strength plain washers for steel structures
钢结构用高强度垫圈
Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures
钢结构用扭剪型高强度螺栓连接副
Technical requirement for sets of torshear type high strength bolt hexagon nut and plain washer for steel structures
钢结构用扭剪型高强度螺栓连接副技术条件

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