1, elu nkenke ọnwụ, laser ọnwụ igwe n'ọnọdu ezi nke 0,05 mm, ugboro ugboro n'ọnọdu ezi nke 0.03 mm. 2, warara ọnwụ onuete obosara laser ọnwụ igwe, laser doo anya n'ime nnọọ obere ihe nke ìhè, ka na-elekwasị anya iji nweta elu ike njupụta, bara quic ...
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