Smelting is essentially a melting process in which the components of the charge in the molten state separate into two or more layers which may be slag, matte, speiss or metal.
熔炼基本上是一个熔化过程，在此过程中炉料的组元在熔融状态下分解为两层或多层，这些层次可以是熔渣、冰铜、黄渣或金属。
The plasma cloud charge sensor was applied to detect the status of keyhole molten pool during pulsed plasma arc welding, furthermore, the detected signals were studied.
将等离子云传感器应用于脉冲等离子弧焊穿孔熔池小孔状态检测，并对检测信号的波形特征做了深入研究。
The relationship between casting yield and effective rate of metal charge, usage ratio of molten iron, technology yield and pass rate of castings were surveyed.
阐述了铸件成品率与金属炉料有效率、铁液利用率、工艺出品率、铸件合格率四个比率的关系，指出了铸件成品率与铸造生产的全过程有关。
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