Laser hlau ntxuav yog txheej txheem uas siv lub laser beam tshem tawm cov kab mob ntawm cov hlau, xws li xeb, xim, lossis oxides. Lub hauv paus ntsiab lus ua haujlwm ntawm cov txheej txheem no yog coj cov nqaj laser mus rau qhov chaw huv, ua kom cov pa phem, thiab ua rau lawv evaporate lossis deco ...
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