2284| 6
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圓筒的強(qiáng)度分析問題 |
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點(diǎn)評
注意,一般常說的壓力,實(shí)際應(yīng)該是壓強(qiáng)
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點(diǎn)評
只有加上負(fù)載,才能談內(nèi)應(yīng)力。這個(gè)負(fù)載,包括且不限于重力,溫度。。。等
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