Koj yuav tsum tau saib ntawm qhov chaw ntawm cov yeeb nkab cua sov hauv pem teb. Qhov saum npoo ntawm qhov zoo dua PERT pem teb cua sov yeeb nkab khoom yog du heev, thiab tsis muaj qhov pom tseeb xim txawv thiab impurities. Nyob rau tib lub sijhawm, cov yeeb nkab cua sov hauv pem teb qhia cov qauv, kev qhia tshwj xeeb thiab hom ntawm cov yeeb nkab cua sov hauv pem teb, thiab cov yeeb nkab cua sov hauv pem teb ntawm qhov zoo heev Qhov saum npoo yuav qhia tus qauv, specification thiab hom, thiab cov luam ntawv yog qhov tseeb thiab tsis yooj yim. kom poob.
Koj tuaj yeem sim xav seb puas muaj furrows nyob rau saum npoo ntawm cov yeeb nkab nrog koj txhais tes. Ib qho zoo-zoo hauv pem teb cua sov yeeb nkab yuav zoo nkaus li du, ilv thiab mos mos rau qhov kov. Koj tuaj yeem sib piv qhov yooj thiab phab ntsa thickness ntawm cov kav dej hauv pem teb. Cov phab ntsa tuab ntawm cov kav dej zoo hauv pem teb tuaj yeem ncav cuag tus qauv ntawm 2.0. Koj tuaj yeem sib piv nrog cov kav dej kom pom seb cov phab ntsa thicknesses ntawm cov kav dej hauv pem teb puas zoo ib yam.
