有關lac的精選大全

用lac varnish造句子,“lac varnish”造句
Forthemostvulnerableshellacvarnish,usenon-metalliccontainers,addgoldpowderandsilverpowderbeforeusingvarnish,donotaddvarnishtostoreprematurely.Baseontheknots,applicationofshellacvarnishresinpartsclosed...
用lac造句子,“lac”造句
Comeforwardnewformulatocountmortalityoflacinsect.Thispaperdealswithclimaticconditionsinoriginallac-producingareasandlacinsectintroductionandcultivationinnewplaces.Friendship!Themysteriouslacisyoursoul...
用stick lac造句子,“stick lac”造句
scarletdyelikecochineal;extractedwithalkalifromsticklac.granularmaterialobtainedfromsticklacbycrushingandwashing.Thecopperinsticklacexistedmainlyinthecorpsesofthelacinsectandthatwasthemainpollutionsou...
用Chinese lac造句子,“Chinese lac”造句
ItwasfoundthatthecontentofsoftresininChineselacwashigherthanthatofIndianlac.5chromatographiczoneswereseparatedfromChineselacfoodpigmentusingcolumnchromatography....
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