![stick lac造句怎么写]( "stick lac造句怎么写")
- scarletdyelikecochineal;extractedwithalkalifromsticklac.granularmaterialobtainedfromsticklacbycrushingandwashing.Thecopperinsticklacexistedmainlyinthecorpsesofthelacinsectandthatwasthemainpollutionsourcecausingcopperpollutioninlaccaicacid(lacdye)....
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![lac varnish造句怎么写]( "lac varnish造句怎么写")
- Forthemostvulnerableshellacvarnish,usenon-metalliccontainers,addgoldpowderandsilverpowderbeforeusingvarnish,donotaddvarnishtostoreprematurely.Baseontheknots,applicationofshellacvarnishresinpartsclosed,oilyputtyinlayingnailholeplaceapplication.Ifyouus...
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![lac造句怎么写]( "lac造句怎么写")
- Comeforwardnewformulatocountmortalityoflacinsect.Thispaperdealswithclimaticconditionsinoriginallac-producingareasandlacinsectintroductionandcultivationinnewplaces.Friendship!Themysteriouslacisyoursoul,youisthesweeteneroflife,socialconnections.Themyst...
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![Chinese lac造句怎么写]( "Chinese lac造句怎么写")
- ItwasfoundthatthecontentofsoftresininChineselacwashigherthanthatofIndianlac.5chromatographiczoneswereseparatedfromChineselacfoodpigmentusingcolumnchromatography....
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中文谷
