双语例句
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Perforating Machine IBM's first patent (issued July 25, 1911) described an invention related to punched-card tabulation.
美国专利＃998631：打孔机 IBM的第一项专利（1911年7月25日发布）介绍有关打孔卡制表的一项发明。
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This machine is equipped with embossing, perforating and automatic cutting device.
本机配有压花、打孔、自动分切装置。
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This machine is auxiliary equipment for rewinding perforating toilet paper machine and diamond paper machine.
本机为复卷打孔卫生纸机、方巾纸机的辅助设备。
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$firstVoiceSent
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