The reflection mirrors and lense inside laser doesn't have to
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送交者: steven 于 2010-05-18, 12:14:59:
回答: 总归是个能量吸收问题。如此无坚不摧的激光,出口窗也得超级透明吧? 由 tinaliang 于 2010-05-18, 12:01:31:
experience the same among of energy since the energy isn't that focus.
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