词汇	貞精
释义	貞精 zhēn jīng犹贞粹。贞精
随便看	sulfur compound analysis sulfur compound distribution sulfur-compound fertilizer sulfur-containing compound sulfur-containing compounds sulfur-containing epoxy resin Sulfur-containing flavors sulfur-containing gases sulfur-containing heterocyclic compound Sulfur-containing imidazole derivatives Sulfur containing oil sulfur-containing organic compound Sulfur-containing organophosphoms pesticide sulfur compounds sulfur compounds in petroleum sulfur concentrate sulfur concentration and impurity reduction sulfur concrete sulfur condenser sulfur cone sulfur conformation sulfur-contain criterion sulfur contained oil sulfur-containing sulfur-containing additive