What is the allowable deviation from straightness for a 40 foot long primary truss member?
对40英寸长的主珩架构件允许的直线度偏差是多少?
For a truss with more than one redundant bar, more than one release will be required to obtain the primary frame .
对于有一个以上多余杆的桁架要得到基本体系,就要放松一个以上的约束。
For a truss with more than one redundant bar, more than one release will be required to obtain the primary frame .
对于有一个以上多余杆的桁架要得到基本体系,就要放松一个以上的约束。
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