Tus nqi ntawm cov khoom siv txhuas puas yog xam los ntawm tons lossis los ntawm meters? Feem ntau, feem ntau cov lag luam raug nqi raws li lub 'meter'. Txawm li cas los xij, thaum tus neeg siv yuav ntau dhau, nws yuav raug xam raws li tons.
Thaum tus nqi ntawm cov txhuas profile suav los ntawm tons, nws yuav pheej yig dua li ntawm meters. Tom qab tag nrho, qhov ntau yog qhov loj heev, thiab tus nqi zoo. Hauv lub neej tiag tiag, tshwj tsis yog qee lub tuam txhab, ob peb tus neeg siv tuaj yeem yuav tonnage txhuas, yog li tus nqi hauv kev lag luam feem ntau yog raws li meters.
Kev teeb tsa tus nqi ntawm cov txhuas profile raws li tus naj npawb ntawm cov meters yog qhov yooj yim dua rau cov kev xav tau yuav khoom ntawm cov neeg siv. Tom qab tag nrho, qee tus neeg siv khoom tsuas yog xav tau yuav ob peb meters lossis ntau kaum meters, uas pom tseeb tsis tuaj yeem raug nqi los ntawm tons. Tus nqi tonnage feem ntau tshwm sim hauv cov lag luam loj, cov tsev kawm ntawv qib siab thiab cov tub rog kev lag luam, vim tias lawv siv ntau dua li cov neeg ib txwm, thiab feem ntau qhov ntau ntawm kev yuav khoom yog ntsuas hauv tons, yog li txoj kev teeb tsa tus nqi ntawm cov meters tsis haum lawm.
Hauv kev xaus lus, tus txheej txheem nqi ntawm tus nqi txhuas profile tuaj yeem suav ua tons lossis meters, feem ntau raws li qhov ntau ntawm cov neeg siv yuav khoom.
Lub sijhawm tshaj tawm: Lub Kaum Hli-07-2023