Xuab zeb hnyav dua dej thaum lub ntim ntawm ob yam khoom sib npaug. Qhov ceev ntawm cov xuab zeb qhuav yog nruab nrab ntawm 80 thiab 100 phaus ib cubic feet, hos dej yog 62 phaus ib cubic feet. Qhov ntom ntawm dej nyob ntawm nws qhov kub thiab txias.
xuab zeb hnyav npaum li cas thaum nws ntub?
Nws kwv yees tias cov xuab zeb qhuav hnyav kwv yees li 100 phaus (45 kg) ib cubic feet. Cov xuab zeb ntub yog ib txwm hnyav dua thiab hnyav ntawm 120 thiab 130 phaus (54 txog 58 kg) ib cubic feet.
Qhov hnyav dua 1kg dej lossis 1 kg xuab zeb?
Qhov hnyav dua 1kg dej lossis 1 kg xuab zeb? Ib phaus xuab zeb thiab ib phaus dej hnyav ib yam nkaus. Yog hais tias koj tab tom tham txog qhov ntom, es tsis hnyav, ib tus neeg lis ntawm cov xuab zeb yuav luag ib txwm ntom dua dej.
Puas xuab zeb hnyav dua li pob zeb?
Vim tias lub ntiajteb txawj nqus ntawm diesel tsawg dua dej nws ntab saum nws. Raws li kev nqus ntawm cov xuab zeb yog 2.6 - 2.7 thiab cov cement yog 3.14 - 3.15, piv txwv li rau tib lub ntim ntawm cov cement thiab xuab zeb, cement yog "3.15 / 2.7= 1.16 zaug "hnyav tshaj xuab zeb.
5 nkas loos xuab zeb hnyav npaum li cas?
5 nkas loos thoob= 70 phaus ntawm cov xuab zeb qhuav qhuav (80 txog 90 lbs yog xuab zeb ntub)
