Lub ntsiab lus thiab tus qauv ntawm lub sponge ceev ntawm lub rooj zaum

Daim txhuam cev yog ib qho tseem ceeb ntawm cov ntaub ntawv ntawm lub rooj zaum, thiab tseem ceeb tshaj plaws, nws plays lub luag hauj lwm tseem ceeb hauv lub mosque thiab kev nplij siab ntawm lub rooj zaum. Daim txhuam cev yog raws li qhov sib txawv ntawm cov qhab nees, qhov sib txawv ntawm qhov sib txawv yog qhov nyhav ib lub cubic meter ntawm daim txhuam cev ntau npaum li cas.

Kev ceev yog ib qho tseem ceeb ntawm kev nqes daim phuam. Qhov ntau dua qhov ceev ntawm lub sponge, qhia tias qhov sib txawv ntawm lub sponge yuav me dua. Piv txwv li: 30 lub cev ntim cov kabmob yog hais txog lub cubic meter ntawm qhov hnyav li 30 kilograms, 40 npuas duav uas yog hais txog lub cubic meter ntawm hnyav hnyav li 40 kg, thiab lwm yam. Tab sis tam sim no ib co tuam ntxhab, kom ua tiav cov qauv kev sib tw, yuav tsis muaj cov kab xev thooj ntawv ntxiv los ntawm kev ntxiv cov lus taw qhia kom ua qhov nyhav ntawm daim txhuam cev, yog li cov txheej xwm txheeb xyuas qhov tsis zoo ntawm daim txhuam cev deformation effect Cov hauv qab li qub, qhov ntau dua qhov uas ceev ntawm lub daim txhuam cev nws qhov mob yuav siab, tab sis yog tias ntxiv super muag khoom ntxiv, nws yuav ua super muag. Li ntawd, tib qhov ceev ntawm daim txhuam cev muag thiab nruj nyuaj tsis zoo li qub.

Daim txhuam cev ua kom muaj kev xav ntau dua yog qhov nws yooj yooj yim thiab softness. Yog li ntawd, daim txhuam cev yuav muab faib ua qhov siab siab, qaug tag nrho, nyuaj, mos muag, ntsiab muag. Nrog rau lub hauv paus tswj hwm ntawm lub xeev rau kev txhais ntawm qhov sib txawv ntawm cov sponges, density siab tshaj 45 ntom rau lub siab ceev sponge, ntom ntawm nruab nrab ntawm 45-18 rau cov ntawv sib dhos, cov ntawv qis qis dua qis dua 18. Rau lub rooj zaum ntaub xaum, rau qhov sib txawv ntawm lub rooj zaum, qhov sib txawv ntawm qhov sib txawv daim txhuam cev, tab sis qhov zoo tshaj ntawm daim txhuam cev muaj feem ntau siab dua.