The belt - driven machines used circles, loading convenient, fast start.

本机采用圈带驱动, 装卸方便 、 启动快.

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The modern factory used power - driven machines and line techniques to turn out large quantities of - made goods.

这家现代化工厂使用电力驱动机器和装配线技术来制造出大量的优质货物.

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