Tsilindrik mixcho’p

Tsilindrik mixcho’p – po’lat yoki yog’ochning qattiq navidan yasalgan, yaxlit yoki to’g’ridan-to’g’ri, oldindan tayyorlangan teshikka o’rnatiladigan, yog’och konstruksiya elementlarini ulashda qo’llaniladigan tsilindrik mixcho’p.