石油產(chǎn)品閃點(diǎn)與燃點(diǎn)測(cè)定儀
(馬丁閉口杯法)
B/T261 ASTM/D93
精密數(shù)字調(diào)壓,單片機(jī)計(jì)時(shí)報(bào)訊,新型,可便攜