樓主: shasu
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請(qǐng)問竹節(jié)式推桿里面的結(jié)構(gòu) |
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點(diǎn)評(píng)
12樓沒看到小孔和尼龍滑塊?
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點(diǎn)評(píng)
那樣內(nèi)層的桿子就要小好多,另外,結(jié)構(gòu)上也是滾動(dòng)軸承和滑動(dòng)軸承之差別
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評(píng)分
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