什么是drop and continue

什么是drop and continue 什么是drop-tube? 什么是insert system disketts in drive.press and key to continue Continue I hope we will continue to drop If cheated you that is becau He and I happiness always continue! wait and wait to continue什么意思 We [smile]、// And continue to move forward. drop little water drop goes higher and higher Drop tube for head- and cross Drag-and-drop操作有哪些步骤?