The light beam can be steered more accurately than a mechanical cutter.
这种光束比机械切削器能运转得更为精确。
The invention can automatically adjust the cutter height without mechanical adjustment.
本发明不用机械调整，即可自动调整刀高。
The invention can automatically adjust the cutter height without mechanical adjustment.
本发明不用机械调整，即可自动调整刀高。
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