Nhau dzekambani
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Iyo nzira yekugadzirisa ye optical lens inounzwa
Optical cold working 1. Polish the optical lens, chinangwa ndechekudzima zvimwe zvinhu zvakakasharara pamusoro peiyo optical lens, kuitira kuti optical lens ine preliminary model.2. Mushure mekupenya kwekutanga, poli...Verenga zvimwe
