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Kukula kwa akupanga otaya mita
Akupanga flowmeter ali ndi mbiri yakale ya chitukuko, ndipo akupanga madzi otaya mita ntchito kuyeza madzi kapena mpweya kwa zaka zambiri.Mu 1928, woyamba akupanga otaya mita opangidwa padziko lonse lapansi Mu 1955, Akupanga flowmeter anagwiritsidwa ntchito kuyeza ndege mafuta ndi madzi muyeso ...Werengani zambiri -
Kasamalidwe ka netiweki ya payipi yamadzimadzi ndi diffi...
Ukonde wa chitoliro cha drainage ndiye njira yapansi panthaka ya mzindawu, yomwe ili ndi mawonekedwe akusintha kwakukulu, njira zovuta zoyendetsera, kutsika kwamadzi, komanso malo oyika zida zosakwanira.Choncho, m'tawuni ngalande chitoliro network dongosolo ndi zofunika chitetezo malo a c ...Werengani zambiri
