短語詞組短語Logic Link Control Layer 邏輯鏈路控制層Link -layer switch 鏈路層交換機(jī);分組交換機(jī)路由器link support layer 鏈路支持層link services layer 鏈路服務(wù)層data link -layer 數(shù)據(jù)鏈路層DLCData Link Control Layer 數(shù)據(jù)鏈路層LLCLogic Link Control Layer 邏輯鏈路控制層Logical Link Control layer 邏輯鏈路控制層;邏輯鏈路控制協(xié)議 返回 link layer