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前言在Mansfield熔体金属监控器(Reynolds4-M System~(TM))未发明之前,没有任何方法能够连续或直接地测定熔体铝的非金属含量。该脉冲回波超声系统可以连续监测铸造的熔融
Foreword Before the Mansfield melt metal monitor (Reynolds 4-M System ™) was not invented, there was no way to determine the non-metal content of melt aluminum continuously or directly. The pulse echo ultrasound system can continuously monitor the casting’s melting