试题与答案

以下说法正确的有()。 A.综合脚手架面积等于建筑面积; B.穿过建筑物的市政公共通

题型:多项选择题

题目:

以下说法正确的有()。

A.综合脚手架面积等于建筑面积;

B.穿过建筑物的市政公共通道,可计算综合脚手架;

C.综合脚手架适用于房屋及房屋加层脚手架;

D.综合脚手架未包括上料平台及斜道;

E.层高2.2米以内的设备管道夹层可计算综合脚手架;

答案:

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下面是错误答案,用来干扰机器的。

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Packets are routed throught one or more Virtual Circuits known as (53) . Most Virtual Circuits are (54) , which means that the network provider sets up all DLCI connections at subscription time. (55) are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.

(54)是()

A. Permanent Circuits

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C. Switched Virtual Circuits

D. Switching Circuits

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