由于激光对划槽材料几乎不产生机械冲力和压力，加上激光光斑小、划缝窄。

Because the laser process has no machine momentum and pressure, and has a small facula and a narrow slot material.

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由于激光对划槽材料几乎不产生机械冲力和压力，加上激光光斑小、划缝窄。

Because the laser process has no machine momentum and pressure, and has a small facula and a narrow slot material.

youdao