মূল
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?????? ????? ??????????
?????????? ????????????? ?????????????
????? ???????? / ????? ?????????
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???? ??????? ???????
????? ????????? ??????????
????? ?????????
ইনস্টোমেন্ট এবং মিটার
??? ????? ?????????? ??? / ???????? ???????? ??????? (???????????: 10μV, polyphenamine)
?????? ??????? ????????? ??????? / ????????? ????? ??????? / ????? ????? ???????
সফল অপারেশন!