请问这些英文什么意思 this update utility cannot be used for your PDA p

请问这些英文什么意思 this update utility cannot be used for your PDA p This item cannot be used utility bill 英文意思 this update is not intended for us with your computer this skill cannot used with equipoed item 什么思意 be used for跟什么 update什么意思 be used什么中文意思 this gragh cannot preview properly什么意思 THIS GRAPH CANNOT PREVIEW什么意思 be used to ,be used for有什么区别 be used to和be used for 有什么关系