樓主: 大饅頭CC
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無內(nèi)圓轉(zhuǎn)彎機 |
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點評
看起來鏈條側(cè)面受皮帶的張力,純摩擦,就靠耐磨條導(dǎo)向保持環(huán)形移動,,速度快了的話,,這個耐磨條壽命不樂觀!
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