关于impregnation的百科

• impregnation造句怎么写

• artificialimpregnationfoamedimpregnationHardening,asoftissue,bysuchimpregnation.ContraceptionBirthcontrolbypreventionofconceptionorimpregnation.textilefabricrenderedimpermeablebyimpregnationorcoatingwithoilThreechiefmethodsofimpregnationandthecharact...
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• impregnation technology造句怎么写

• Influenceofimpregnationtechnologyonthepropertyofwinding-solidpolypyrrolealuminumelectrolyticcapacitorAtpresent,thevacuumpressureimpregnationtechnologyisanewprocessinelectricaltrade....
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