{علوم مهندسى}: حفاظت رونتگن

The following video provides you with the correct English pronunciation of the word "x-ray protection", to help you become a better English speaker.

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علوم مهندسى : حفاظت رونتگن

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 کلمات مرتبط(2) 

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کلمات مرتبط(x-ray protection):

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بازگشت به واژه x-ray protection

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protection 
 x-ray 

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