[谁能简单给我一些激光镭雕机的简单介绍最好详细点]前面是简单介绍，后面又详细介绍。激光加工原理激光加工的原理：由激光发生器发出的激光经过一系列的处理，经透镜聚焦后将能量高度集中在一个很小的范围，如果被加工的材料对该激光...+阅读

hello everybody ,my name is ''',happy to introduce myself to you .

i am pretty easygoing and i really like to make friends .i am also very exteiorior

and curious about something that i don't know .i am fond of sports and often go out to exercise . there are three people in my family and i really appreciate that we will become good friends.

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