... knee rafter 斜撑 knee roof 变坡屋面 knee 弯管 ...
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knee-brace roof truss 隅撑屋架
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Roof purline is adopted with cold-bending and thin-wall steel (Q345), knee bracing, roof horizontal bracing and purline drawn rod Q235.
本工程屋面檩条采用高冷弯薄壁型钢材质Q345,隅撑,屋面水平支撑,檩条拉条材质均为Q235。
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If you would demand a good faith estimate from a contractor to fix a leaky roof, it only makes sense to demand the same from a doctor to fix a creaky knee.
FORBES: To Bring Healthcare Prices Down, Consumers Must Demand Price Transparency
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