關於eyepieces的百科

• eyepieces造句怎麼寫

• Sinceeyepiecesareinterchangeable,atelescopecanbeusedatavarietyofpowersfordifferentapplications.Solarfiltersdesignedtothreadintoeyepiecesthatareoftenprovidedwithinexpensivetelescopesarealsounsafe....
• 2018-02-0817623