The influence of slab grain size, dimension of second phase particle and metallic purity on the mechanical property of the foils for air-conditions are summarized.
总结了铸锭晶粒度、第二相质点大小和金属纯洁度对空调箔力学性能的影响，介绍了改善铸锭晶粒结构、减小第二相质点尺寸和减少金属夹渣的方法。
Pulverization by intervention is a process for reducing particle size by using a second agent that can then be readily removed.
粉碎是一个通过第二种试剂的作用使粒子大小减小的过程，加入的试剂随后很容易去除。
Suck mist and dust in large particle size first, collide with collision board and drop, and then remove most mist by first and second filter screen.
颗粒状较大的油雾状物和灰尘首选被吸入，并与撞击板相撞而落下，然后由一次和二次滤网将大部分雾状物除去。
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