Akụkọ ngwaahịa

  • Ventilation method of tunnel ventilation duct

    Usoro ikuku nke ọwara ikuku ventilashion

    A na-ekewa ụzọ ikuku ventilashị na-ewu ọwara n'ime ikuku ventilashị na igwe ikuku dịka isi iyi nke ike.Igwe ikuku na-arụ ọrụ na-eji ikuku ikuku nke ikuku ventilashị na-emepụta maka ikuku.Ụzọ ndị bụ isi nke ọwara iwu mebere ventilashion ...
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  • JULI PVC mining ventilation duct

    JULI PVC mining ventilashion duct

    Ngwuputa ala n'okpuru ala bụ azụmahịa dị ize ndụ nke ukwuu, ya mere ducting ji bụrụ akụkụ dị mkpa nke ụlọ ọrụ mmepụta ihe n'okpuru ala.Ngwuputa ogbunigwe n'okpuru ala na-ekpughere ndị na-egwuputa ihe dị iche iche, gụnyere gas na-egbu egbu na uzuzu, nke nwere ike ibute ahụike ha ...
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