Lwm qhov tshwj xeeb ntawm kev ntim khoom tuaj yeem muab tau raws li cov neeg siv khoom xav tau
(SO2 / N2, NO / N2, CO / N2, SO2 NO / N2, NH3 / N2, H2S / N2, SO2 CO CO 2 / N2, thiab lwm yam)
(SO2 / N2, NO / N2, CO / N2, SO2 NO / N2, NH3 / N2, H2S / N2, SO2 CO CO 2 / N2, thiab lwm yam)
sib tov
Daim ntawv thov
Semiconductor
Hnub ci Photovoltaic
LED
Machinery Manufacturing
Kev lag luam tshuaj
Kev Kho Mob
Khoom noj khoom haus
Kev Tshawb Fawb Txog Kev Tshawb Fawb
