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4对钢制圆轴作扭转校核时发现强度和刚度均比规定的降低了20%,若安全系数不变,改用屈服极限提高了30%的钢材,则圆轴的
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4对钢制圆轴作扭转校核时发现强度和刚度均比规定的降低了20%,若安全系数不变,改用屈服极限提高了30%的钢材,则圆轴的
A、)
B、)
C、)
D、)
时间:2021-09-08 14:07
关键词:
和学
华北水利
土木工程
材料力学
答案解析
A
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4对钢制圆轴作扭转校核时发现强度和刚度均比规定的降低了20%,若安全系数不变,改用屈服极限提高了30%的钢材,则圆轴的
工程中常以最大单位长度扭转角不得超过许可的单位长度扭转角作为圆轴扭转时的刚度条件。
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