樓主: 光光ikobe
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內(nèi)六角圓柱頭螺釘沉孔使用時(shí)是否加墊 |
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點(diǎn)評(píng)
就是請(qǐng)教你們這些大俠,,說一說,設(shè)計(jì)手冊(cè)對(duì)沉孔沒有過多描述
不知道對(duì)不對(duì)還當(dāng)啥個(gè)搬運(yùn)工
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點(diǎn)評(píng)
震動(dòng)頻繁的工況有多少防松方案是有效的
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