2057| 3
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關(guān)于糧食篩選機構(gòu)的偏心輪 |
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點評
沒做過這樣的篩選結(jié)構(gòu),要是干摩擦的話,,我只用在外載荷小的情況下,,尼龍做套或銅套,想你這樣的結(jié)構(gòu),,你敢保證壽命,?
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