普通钢筋混凝土电杆,当电杆直径<img src='https://img2.soutiyun.com/shangxueba/ask/17520001-17523000/17521427/2015051317222823222.jpg' />300mm时,其最小配筋量应为()。

A.<img src='https://img2.soutiyun.com/shangxueba/ask/17520001-17523000/17521427/2015051317223882617.jpg' />mm; B.<img src='https://img2.soutiyun.com/shangxueba/ask/17520001-17523000/17521427/201505131722424916.jpg' />mm; C.<img src='https://img2.soutiyun.com/shangxueba/ask/17520001-17523000/17521427/2015051317224785523.jpg' />mm; D.<img src='https://img2.soutiyun.com/shangxueba/ask/17520001-17523000/17521427/2015051317225015262.jpg' />mm。

时间:2023-08-20 20:07:01

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