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Ushbu rasmda qaysi pechning ishlash prinsipi tasvirlangan? A | Yosh metallurglar va yosh kimyogarlar

Ushbu rasmda qaysi pechning ishlash prinsipi tasvirlangan?
Anonymous Quiz
27%
A) Yalligʻ qaytaruvchi pech
24%
B) Kislorod mashʼalali pech
38%
C) Vanyukov pechi
11%
D) Marten pechi