“sapphire glass”簡單造句，sapphire glass造句子

Mineral glass anti-wear ability is good, but the ability to resist vertical blow is stronger than the sapphire glass.

From the watch watch material, vintage watches glass plastic watch will not be broken, but mineral crystal and sapphire glass surface now general is very easy to have broken the phenomenon.

Water resistant up to 200 meters and with crystal sapphire glass.