Xov xwm kev lag luam
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Cov ntaub ntawv qhuav, Dab tsi cuam tshuam rau vuam zoo?
Qhuav elongation Gas ntws L = [(10-12)d] L / min Qhov ntev ntawm cov hlau protruding conductive nozzle yog qhov qhuav elongation ntev. Tus qauv empirical dav dav yog 10-15 npaug ntawm txoj kab uas hla L = (10-15) d. Thaum tus qauv loj, nws yog me ntsis loj dua. Cov specification...Nyeem ntxiv