substances的精选

当前位置 /首页/substances的精选/列表
用“hazardous substances”造句大全，hazardous substances造句

用“hazardous substances”造句大全，hazardous substances造句

2018-07-12
Avoidhazardoussubstancesandchemicals.Environmentalprotection,nomercuryandotherhazardoussubstances.Yetallofthesehazardoussubstancesposelittleriskifusedproperly.and(c)damagesto"naturalresources"result...
用“chemical substances”造句大全，chemical substances造句

用“chemical substances”造句大全，chemical substances造句

2017-09-02
makealkaline,asofchemicalsubstances.testingmethodsforresistanceofadhesivebondstochemicalsubstancesFoodcontainsmanydifferentchemicalsubstancesthatourbodyneeds.disperseinamediumintoacolloidalstate;ofche...
用“banned substances”造句大全，banned substances造句

用“banned substances”造句大全，banned substances造句

2018-04-26
Thereportsaidthatscientistsinterviewedbythecommissionsaidtheirattemptstodeveloptestsforbannedsubstances"werestymiedbylatedecisionsandaseeminglackofwillatthehighestlevelsoftheIOC."Horsesarenotraiseda...