Theoretically sludge yield is nil for the extended aeration process.对延时曝气法而言,理论上污泥生成量应为零.This is true for BOD removal, aeration and biological growth.这对生化需氧量的去除, 通气,生物生长都是适用的.Those that are used should be equipped with a...
从文档中删除数据,并将其移动到剪贴板.Deletes data from the document and moves it to the clipboard.剪贴板用于在窗口或应用程序之间传递数据.The clipboard is used to transfer data between windows or applications.将“复制字符”框的内容复制到剪贴板.Copies contents of the Characte...