4262| 9
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請教一下箱涵內雜物和淤泥的清理方案? |
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點評
你是懂輪胎的
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點評
不知道你是要設計一套帶清淤功能的裝置還是在現有暗渠的情況下去清淤
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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