Yuav paub qhov txawv qhov zoo lossis qhov phem

1. Saib xyuas qhov dawb.Cov kev xav tau ntawm cov xim dawb ua los ntawm cov khoom sib txawv yog txawv.Ntawm lawv, qhov yuav tsum tau ua rau lub iav ci tsis tseem ceeb.

2. Saib cov npuas.Tso cai rau qee qhov dav thiab ntev ntawm huab cua npuas, tab sis tus lej tsis tuaj yeem ntau dhau, tshwj xeeb tshaj yog cov npuas uas tuaj yeem tho nrog cov koob steel, cia nyob ib leeg.Nws yog qhov zoo tshaj kom tsis txhob yuav lub khob no.

3. Saib xyuas qhov pom tseeb.Qhov sib txawv lub peev xwm iav yuav tsum tau sib txawv ntawm pob tshab.Yog hais tias lub pob tshab yog ntau tshaj 1/3 ntawm lub khob lub cev, nws raug nquahu kom tsis txhob yuav hom iav no.

4. Saib ntawm kev txiav luam ntawv.Lub npe hu ua shear printing yog hais txog kab txaij lossis kab civliv-puab shear marks.Yog tias nws qhov ntev yog ntau dua 20-25 hli, lossis qhov dav yog ntau dua 2.0, thiab ntau dua ib qho, nws dhau ntawm lub khob hauv qab, lossis cov plaub hau dawb ci ntsa iab.Nws raug nquahu kom tsis txhob yuav nws.

5. Saib xyuas cov qauv luam ntawv.Lub khob lub cev yog implicitly foob, thiab koj yuav tsum tsis txhob yuav nws obviously.

6. Saib lub khob lub cev nqus.Qhov no yog qhov tshwm sim ntawm qhov tsis sib xws hauv lub khob lub cev.Yog tias koj pom nws pom tseeb, tsis txhob yuav nws.

7. Saib xyuas qhov txhuam thiab khawb.Rubbing qhov kev sib txhuam ntawm txoj kab uas hla ntawm lub khob thiab lub khob, tawm ib txoj hauv kev poob luster hauv lub khob lub cev.Tsis txhob yuav nws rau.


Post lub sij hawm: Mar-22-2023
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