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分类: 土木建筑类 (电网) 发布时间: 2023-11-03 08:54 浏览量: 1

A.2.5kN·m,3kN·m

B.-2.5kN·m,-3kN·m

C.-2.5kN·m,3kN·m

D.2.5kN·m,-3kN·m

正确答案是D