C容器
参考答案:
装载各种速率业务信号的信息结构,表示为C-n(11,12,2,3,4),我国仅涉及C-12,C-3,C-4。容器的基本功能是完成适配,即码速调整。
下列不是心力衰竭时肺循环充血表现的是()
A.劳力性呼吸困难
B.端坐呼吸
C.心源性哮喘
D.颈静脉怒张
E.肺水肿
A new coil of nylon line should be opened by().
A.pulling the end up through the eye of the coil
B.taking a strain on both ends
C.uncoiling from the outside with the coil standing on end
D.unreeling from a spool