单词	lactonic leuco-dye
释义	lactonic leuco-dye 内酯型无色染料
随便看	procurement choose Procurement Code Change Request procurement committee procurement congressional descriptive summary procurement contract Procurement Contracting Officer procurement contracts procurement control procurement control document procurement control number procurement cost procurement costs procurement cycle procurement data list procurement data package procurement data requirements list procurement data sheet Procurement Defense Agency procurement demand Procurement Department procurement description data procurement directive procurement division procurement document procurement document change