aerated powder是什么意思

用法例句

The study on the weldability of some aluminum alloys was done by Nd:YAG laser welding process with filler powder, AlSi12.

采用2500W Nd:YAG激光加工系统,利用填充粉末激光焊接技术进行了几种高强铝合金的焊接;送粉头采取的是一种新型同轴三层结构形式。