![antimony造句怎么写]( "antimony造句怎么写")
- Itisveryheavyandchemicallyresemblesarsenicandantimony.Typemetal:Thealloyforcasttype,comprisinglead,tinandantimony.asteelgraymetallicmineral(asulphideofleadandantimony).AswithallTVs,LCDshaveplasticshellstreatedwithbrominatedflameretardantsandwiringtha...
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