बिना सोचे समझे Pop Quiz

Which of the following alloys is suitable for making an aircraft body?
Choose the right answer:
Option A Brass
Option B Duralumin
Option C Bronze
Option D Cupro-nickel
 FuyuumiAmakusa posted एक साल  से अधिक पुराना
सवाल छ्चोड़े >>
save