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在新发展的机械类型中,这种机器最为紧凑,而且效率最高。它由安装在一个框架上的三个独立的筛网组成,并由一台高速振动电机驱动。
In the newly developed machine types, this machine is the most compact and most efficient. It consists of three separate screens mounted on a frame and driven by a high-speed vibrating motor.