屈应力与下列哪些因素有关
A、与梁的长度E
暂无解析
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Whiledoingcalculationfortheproject,thedesigners____anewsolutiontoageologicalproblem.
Thethreementriedmanytimestosneakacrosstheborderintotheneighboringcountry_____bythepoliceeachtime.
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