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W11 series synmmetric turn-up form three roll bendling machine,resing and flalling the up-roller of which all adot mechanical power drive. w11系列對(duì)稱上調(diào)式三輥卷板機(jī)，上輥陞降和兩下輥鏇轉(zhuǎn)，均採(cǎi)用機(jī)械傳動(dòng)。