6172| 15
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理論計(jì)算問(wèn)題求助 |
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點(diǎn)評(píng)
雙導(dǎo)軌絕對(duì)平行只有理論上的可能,彼此較勁是必然的,,只是多嚴(yán)重的區(qū)別,。所以千萬(wàn)別用雙導(dǎo)軌,過(guò)約束,。受力不行,,寧可用大個(gè)兒的導(dǎo)軌
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點(diǎn)評(píng)
學(xué)習(xí)了,!
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