Yong’in eshiklari issiqlik tarqalishi va ventilyatsiya qilish uchun panjurlar bilan o’rnatilishi mumkin. Panjurli yong’inga qarshi eshiklar odatda elektr xonalari va transformator xonalarida o’rnatiladi. Biz bilan maslahatlashish uchun xush kelibsiz.

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