关于halon的百科

• halon造句怎么写

• cleanagenthalonreplacementhalongasextinguishingsystemdibromotetrafluoroethane[halon2402][C2F4Br2]bromochlorodifluoromethane[halon1211][CF2BrCl]bromochlorodifluoromethane[BCF][halon1211]spaceprotectedbyhalon1301Marinehalonfireextinguishingsystemtechni...
• 2018-01-3118705