Taw qhia rau lub tshuab nqus tsev ntim tshuab

Lub tshuab nqus tsev ntim tshuab tuaj yeem rho tawm cov huab cua los ntawm lub hnab ntim khoom thiab ua tiav cov txheej txheem sealing tom qab ncav cuag lub tshuab nqus tsev predetermined. Nws tseem tuaj yeem ntim nrog nitrogen lossis lwm cov roj sib xyaw, thiab tom qab ntawd cov txheej txheem sealing tiav. Lub tshuab nqus tsev ntim tshuab feem ntau siv hauv kev lag luam khoom noj vim tias tom qab lub tshuab nqus tsev ntim khoom, cov khoom noj tuaj yeem tiv taus oxidation thiab ua tiav kev khaws cia ntev.