1. Mfundo yogwirira ntchito komanso zochitika zomwe zimagwiritsidwa ntchito pamakina am'manja a laser kuwotcherera pamanja ndi mtundu wa zida zowotcherera pogwiritsa ntchito ukadaulo wa laser. Amakhala ndi laser, optical system, kuwotcherera tochi, etc., amene angayang'ane ndi laser mtengo kuti ...
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