用“impregnation”造句大全，impregnation造句
artificialimpregnationfoamedimpregnationHardening,asoftissue,bysuchimpregnation.ContraceptionBirthcontrolbypreventionofconceptionorimpregnation.textilefabricrenderedimpermeablebyimpregnationorcoatingw...
用“impregnation technology”造句大全，impregnation technology造句
Influenceofimpregnationtechnologyonthepropertyofwinding-solidpolypyrrolealuminumelectrolyticcapacitorAtpresent,thevacuumpressureimpregnationtechnologyisanewprocessinelectricaltrade....