Oxygen thiab Nitrogen Generator
Tsev 12 Rau sab kawg 1/2
Raws li ib qho ntawm cov kws tshaj lij oxygen thiab nitrogen generator tuam ntxhab thiab cov muag khoom hauv Suav teb, peb tau tshwj xeeb los ntawm cov kev pabcuam zoo thiab cov nqi sib tw. Thov so assured mus yuav cov pa oxygen thiab nitrogen generator ntawm tus nqi sib tw los ntawm peb lub hoobkas.
