用“base metals”造句大全，base metals造句
Thesituationinbasemetalsissimilar.mouth-operatedblowpipeofbasemetalsThecurrentrecord-breakingrunforsomespecialitymetalsmirroredpricemovementsinbasemetals.cupel:Toassayorseparatefrombasemetalsinacupel....
用“transition metals”造句大全，transition metals造句
1、Thecatalystscandivideintotwokinds:thetransitionmetalbifunctionalcatalystsandoxycarbidecatalystsoftransitionmetals.2、Influencingfactorsofgenerationefficiencyofvolatilehydridesfortransitionmetalsand...
用“metals”造句大全，metals造句
strongacidsattackmetals.cementedcarbides,hardmetalsAcidseatintometals.recoveryofnonferrousmetalsOverheatedmetalsmaycastbadly.strongacidsbiteinmetals.Tungstenisclassifiedamongthemetals.silver-rareearth...
用“noble metals”造句大全，noble metals造句
anoblegassuchasheliumorneon;noblemetalsincludegoldandsilverandplatinum.Thisreviewsummariestheapplicationofionexchangersintheseparationanddeterminationofalkalimetals,alkali-earthmetals,noblemetals,rare...
用“precious metals”造句大全，precious metals造句
Youcanorderasmallcrossmadeofbrassorfrompreciousmetalswithpreciousstones.Transactionrecord.Silverpreciousmaterial,highartisticvalue,castbythepreciousmetalsorsilveralloyproduction.Anythingscarceandvalua...