27110| 21
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求臺(tái)鉆升降結(jié)構(gòu)的原理、齒輪齒條配合,我不是很懂,。 |
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點(diǎn)評(píng)
....這還不具體,。蝸輪蝸桿傳動(dòng),。隨便找個(gè)手冊(cè)查下就知道了
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