halocarbons的知识精选

“halocarbons”可以造什么句,halocarbons造句
Anyofseveralhalocarbonsusedasfire-extinguishingagents.AtmospherichistoriesofhalocarbonsfromanalysisofAntarcticfirnair:methylbromide,methylchloride,chloroform,anddichloromethane....
热门标签