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