Qhov nyhav ntawm ib sab ntawm ib lub voj tsis yog qhov muaj txiaj ntsig, vim tias nws cuam tshuam los ntawm ntau yam txiaj ntsig, xws li cov ntaub ntawv tuab, thiab tsim qauv ntawm scaffolding. Peb tuaj yeem ua rau muaj kev kwv yees ntxhib ntawm qhov hnyav ntawm ib sab ntawm ib lub scaffolding nrog lub voj.
Ib hom kev kwv yees kwv yees yog feem ntau ntawm lub voj thav duab feem ntau yog ua los ntawm cov hlau zoo-lub zog hlau, thiab nws qhov ntom yog li 7.85 grams ib cubic centimeter. Yog tias peb xav tias lub voj thav duab peb yuav tsum tau laij yog lub voos xwmfab uas muaj qhov ntev, thiab qhov siab ntawm 1 me ntsis tuaj yeem suav tau los ntawm cov qauv hauv qab no:
1 cubic meter × 1000 cubic centimeters / cubic meter × 7.85 grams / cubic centimeters ÷ 1000 grams / kilogram ≈ 7.85 tons
Txawm li cas los xij, nws yuav tsum tau sau tseg tias qhov no tsuas yog ua theoretical xam tus nqi. Hauv kev coj ua, qhov hnyav ntawm scaffolding nrog lub voj yuav cuam tshuam los ntawm ntau yam xws li nws cov qauv tsim, cov ntaub tuab thiab qhov hnyav ntawm cov txuas. Yog li ntawd, qhov hnyav tiag tiag yuav qis dua lossis siab dua no theoretical tus nqi.
Ib qho ntxiv, tseem muaj cov ntaub ntawv kwv yees hauv kev siv tiag tiag tias kev siv daim duab scaffolding yog tsim los raws li lub 3-meter ib lub 'meter' yog li 50 kg. Hloov mus rau cov cubic meters (piv txwv tias qhov siab yog tseem 1 meter = 50 kilo / square meter, uas yog, txog 0.05 tons / cubic meter. Tab sis qhov no txawv ntawm cov saum toj no theoretical xam tus nqi, feem ntau vim yog kev siv tshuaj ua erection erection, thiab lwm yam hauv kev xav txawv ntawm cov kev xav hauv kev ntsuas kev xav.
Hauv cov ntsiab lus, qhov hnyav ntawm ib sab ntawm disc hom scaffolding tsis yog qhov muaj nuj nqis ruaj tab sis cuam tshuam los ntawm ntau yam. Nws raug nquahu kom suav lossis tham nrog cov chaw muag khoom uas muaj feem xyuam tshwj xeeb cov ntaub ntawv qhia meej, thiab cov qauv tsim qauv.
Ntxiv rau, nws yuav tsum tau sau tseg tias thaum siv disc hom scaffolding, nws yuav tsum tau tsa thiab siv nyob rau hauv nruj ua tsim kev nyab xeeb kev nyab xeeb, thiab kev ntseeg tau ntawm scaffolding.
Lub Sijhawm Post: Sep-02-2024