Nuhou Huahana

  • Ventilation method of tunnel ventilation duct

    ʻO ke ʻano hoʻoheheʻe ʻana o ke ala hoʻoheheʻe tunnel

    Hoʻokaʻawale ʻia nā ʻano hana hoʻoheheʻe tunnel i ka ventila kūlohelohe a me ka ventila mechanical e like me ke kumu o ka mana.Hoʻohana ka hoʻoheheʻe ʻana i ka makani i ke kaomi makani i hana ʻia e ka peʻahi hoʻoheheʻe no ka ea.ʻO nā ʻano kumu o ka hana ʻana o ka tunnel mechanical ventilation...
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  • JULI PVC mining ventilation duct

    JULI PVC mining ventilation duct

    He ʻoihana koʻikoʻi loa ka mining underground, ʻo ia ke kumu he mea koʻikoʻi ka ducting i ka ʻoihana kūkulu lalo.Hōʻike ka ʻeli ʻana ma lalo o ka honua i nā miners i nā ʻano mea haumia like ʻole, me nā kinoea ʻawaʻawa a me nā uahi, hiki ke pōʻino i ko lākou olakino ...
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