As a "machine tool", the laser beam has been found useful in cutting, drilling, and welding metals.

激光束作为一种“工作母机”，在切割、钻空和焊接金属方面已发现是非常有用的。

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As a "machine tool", the laser beam has been found useful in cutting, drilling, and welding metals.

激光束作为一种“工作母机”，在切割、钻空和焊接金属方面已发现是非常有用的。

youdao