关于extender的百科

• extender造句怎么写

• ModificationofethylenediamineasapolyureachainextenderInfluenceoftheacetylatingchainextenderm-phenylenediamineonthepropertiesofpolyureaThesecondistoaddapetrol-drivengeneratorknownasa"rangeextender".Sometimesextendercircuitsareusedtoincreasethefan-in...
• 2018-07-0531367