有關substances的精選大全

用chemical substances造句子,“chemical substances”造句
makealkaline,asofchemicalsubstances.testingmethodsforresistanceofadhesivebondstochemicalsubstancesFoodcontainsmanydifferentchemicalsubstancesthatourbodyneeds.disperseinamediumintoacolloidalstate;ofche...
用hazardous substances造句子,“hazardous substances”造句
Avoidhazardoussubstancesandchemicals.Environmentalprotection,nomercuryandotherhazardoussubstances.Yetallofthesehazardoussubstancesposelittleriskifusedproperly.and(c)damagesto"naturalresources"result...
用banned substances造句子,“banned substances”造句
Thereportsaidthatscientistsinterviewedbythecommissionsaidtheirattemptstodeveloptestsforbannedsubstances"werestymiedbylatedecisionsandaseeminglackofwillatthehighestlevelsoftheIOC."Horsesarenotraiseda...
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