求翻译：当Al-K2TiF6组元在温度为750℃，反应物K2TiF6粉末的加入量为6070合金熔体质量的10%，作用时间为3min时，图（a）、（b）、（c）分别是在无外场、单一磁场、组合磁场条件下进行水淬式样分析时所得复合材料的凝固组织的SEM图。是什么意思？

When al-k2tif6 element in a temperature of 750 ° C, reactants k2tif6 powder added amount of 10% of the 6070 alloy melt quality, reaction time was 3min, Figure (a), (b) and (c) are no external field, a single magnetic field, the combination of magnetic field under the sem diagram of solidification mi

When Al - K TiF 2 $6 group at a temperature of 750 degrees, the response from C TiF K 2 6 amount to the powder to melt 6070 alloy 10 per cent of the quality and duration of 3 min, the (a), (b), (c), respectively, in a magnetic field, a single magnetic conditions, combined with the water-hardened sty

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When the Al-K2TiF6 element at a temperature of 750 ° c, reactions of K2TiF6 powders of added amount per cent alloy melt quality of 6,070, time 3min, figure (a), (b), (c), namely in the outfield, a single magnetic field-free combination gathered during water quenching under magnetic field pattern ana

When the Al-K2TiF6 component in the temperature for 750℃, the reactant K2TiF6 powder joins the quantity is 6070 alloy melt quality 10%, when the response time is 3min, chart (a), (b), (c) respectively are when do not have the outfield, the sole magnetic field, combine under the magnetic field condit