A.匝間溫度 B.下部溫度 C.中部溫度 D.上部溫度
A.1個 B.2個 C.5個以上 D.3個以上
A.幀(frame),數(shù)據(jù)包(packet),段(segment),比特流(bit) B.段(segment),數(shù)據(jù)包(packet),幀(frame),比特流(bit) C.比特流(bit),幀(frame),數(shù)據(jù)包(packet),段(segment) D.數(shù)據(jù)包(packet),段(segment),幀(frame),比特流(bit)