樓主: shaomeng
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關(guān)于高強(qiáng)度螺栓松動(dòng)問(wèn)題 |
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點(diǎn)評(píng)
(拆卸螺桿量了下,和正常的一樣長(zhǎng)度)----什么叫和正常的螺桿一樣長(zhǎng)?(應(yīng)該不是永久變形)-----變形多少可以轉(zhuǎn)90°?
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點(diǎn)評(píng)
學(xué)習(xí)了,頂一個(gè)
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