H7 nkaum xenon teeb taub hau hloov khoom siv yog txhua yam siv qis qis hauv tsheb.

Hais lus ncaj qha, nqaj qis h7 zais xenon teeb taub hau hloov pauv tau lub zog dua thiab lub neej ntev dua li cov qij halogen.

Kuv lub Hoobkas tsuas yog tsim cov khoom siv qis qis h7 zais xenon teeb taub hau hloov khoom siv tam sim no.

Txawm hais tias kuv lub Hoobkas tsim h7 qis nqaj zais xenon lub teeb hloov khoom siv rau ntau xyoo, peb tseem saib xyuas lawv heev.

Zoo siab txais tos txhua tus neeg tuaj xyuas peb h7 qis nqaj zais xenon teeb taub hau hloov khoom siv txhua lub sijhawm.