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I-Flowmeter ye-Ultrasonic inomlando omude wokuthuthuka, futhi imitha yokugeleza kwamanzi e-ultrasonic isetshenziswa ukukala uketshezi noma umoya amashumi eminyaka.Ngo-1928, Imitha yokuqala yokugeleza ye-ultrasonic yakhiqizwa emhlabeni wonke Ngo-1955, i-Flowmeter ye-Ultrasonic yasetshenziswa ukukala uwoyela wendiza kanye nesilinganiso samanzi ...Funda kabanzi -
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Inethiwekhi yamapayipi okukhipha amanzi iyindlela yokuphila engaphansi kwedolobha, enezici zezinguquko ezinkulu zokugeleza, amaphethini okugeleza ayinkimbinkimbi, izinga elibi lamanzi, kanye nemvelo ephansi yokufaka imishini.Ngakho-ke, uhlelo lwenethiwekhi yamapayipi okukhipha amanzi emadolobheni luyindawo yokuphepha eyisisekelo ye-c...Funda kabanzi
