● Koj muaj peev xwm o- o- yog dab tsi o2 yog dab tsi? ● Koj xav tau dab tsi O2? Txheem yog 93% +-3% ● O2 tawm hluav taws xob uas xav tau li cas? ● Lub suab pov tseg yog dab tsi yog ob qho tib si ntawm 1fhase thiab 3phase? ● Cov haujlwm ua haujlwm dab tsi yog qhov tshiab yog dab tsi? ● Cov av noo li cas?
PSA Nitrogen Nroj Tsuag
● N1 muaj peev xwm xav tau dab tsi? ● N2 Purity xav tau dab tsi? ● N2 tawm hluav taws xob yog dab tsi? ● Lub suab pov tseg yog dab tsi yog ob qho tib si ntawm 1fhase thiab 3phase? ● Cov haujlwm ua haujlwm dab tsi yog qhov tshiab yog dab tsi? ● Cov av noo li cas?