03. lub tog raj kheej iav dub beaker hub nrog cork hau
Jan 31, 2018
Tso lus
Iav beaker zaub cia lub thawv yog ib tug tshiab tsim rau tsev cia dai kom zoo.
Nws yog tsim los ntawm borosilicate iav (tshav kub-resistan iav)
Thiab kuj yog khij lub calibration rau nws.
