题目
第1题
a,[σjy]=320MPa,试校核该铆接头强度。
第2题
第5题
A.100mm*100mm*10mm
B.150mm*100mm*10mm
C.100mm*100mm*20mm
D.150mm*100mm*20mm
第8题
A.100mm*100mm*10mm
B.150mm*100mm*10mm
C.100mm*100mm*20mm
D.150mm*100mm*20mm
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