I. Cov qauv thiab cov khoom siv
Sand -}}} sau hom
Ntev thiab ceev ntawm cov nyom lo lo ntxhuav: cov nyom silk tau ntev dua, feem ntau txog 19 ~ 20mm, tab sis cov ceev yog me me.
Cov khoom siv sau: nws xav tau sau nrog Quartz xuab zeb los tswj cov nyom cov nyom thiab txhim kho kev ua haujlwm ntawm lub tsev hais plaub.
Txhaws - Dawb hom
Ntev thiab ceev ntawm cov nyom lo lo ntxhuav: cov nyom silk yog qhov luv luv, kwv yees li 13 ~
Yuav tsum tau siv cov khoom siv: tsis tas yuav siv cov khoom ntxiv, tso siab rau txheej ntawm cov nyom silk thiab hauv qab cov khoom txhawb nqa kom muaj kev ruaj khov.
Ii. Kev ua tau zoo thiab daim ntawv thov
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Elasticity thiab ruaj ruaj: zoo elasticity, haum rau high -} qib kev sib tw. Txawm li cas los xij, kev faib tawm ntawm cov ntaub ntawv ntim puv yuav tsis hnav khaub ncaws thaum pib, thiab cov ntaub ntawv puv yuav tsum tau muab cov khoom noj tsis tu ncua thiab faib tawm.
Kev siv cov xwm txheej: Haum rau kev sib tw tshaj lij thiab kev sib tw siab - kev siv.
Txhaws - Dawb hom
Elasticity thiab sib xws: tus elasticity yog qis dua qis dua rau cov xuab zeb - muaj kev sib raug zoo, haum rau kev sib tw txhua hnub thiab kev sib tw txhua hnub.
Kev Siv Cov Xwm Txheej: Haum rau kev ua si txhua hnub thiab qis {- kev siv.
III. Nqi thiab Txij Nkawm
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Tus nqi pib: Tus kheej kuj, vim sau cov ntaub ntawv yuav tsum tau yuav.
Txij Nkawm: Lub Ntev - Lub Sij Hawm Tu Tus Nqi kuj tseem muaj ntau, vim tias nws yuav tsum tau muab faib ua ke thiab faib cov khoom siv.
Txhaws - Dawb hom
Tus nqi pib: Qes, vim tias tsis muaj yuav tsum tau yuav sau cov ntaub ntawv.
Txij Nkawm: Tseem tshuav tsawg, tsuas yog xav tau tu thiab sib txuas ntawm cov nyom lo lo lus.
