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• Pavan
• 1872 दृश्य
• 1 उत्तर

• gaharai mapne me

  • Sushil
  • 21 फरवरी
  • 0 टिप्पणी

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• रिवेट किस धातु के बनाए जाते है
• blade kitne prakar ki hoti hai
• leath machine kitne type ki hoti hai
• B.s.f. thread ka angle kitna hoga
• knuckle thread ka angle kitna hota hai.
• Prick punch ka angle kitna hota hai?
• ??? ???? ?? ????? ???? ??
• twist drill ka flute angle kitna degree hota hai...?
• फाइल 1cm जीतने दांते हो ते ऊसे कहते हे
• सोल्डर एक मिश्र धातु है...........?