8678| 18
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8級(jí)齒輪,組合后背隙有多少? |
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點(diǎn)評(píng)
開個(gè)小玩笑
大俠太激動(dòng)了,別較真
不如不要說(shuō), 我?guī)煾嫡f(shuō)過(guò) 數(shù)字要說(shuō)具體 不要說(shuō)大概幾個(gè)MM 這個(gè)不確定的 會(huì)被人笑話
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點(diǎn)評(píng)
大概的值就行
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