题目内容

试述影响砼拌和物和易性的主要因素是什么?

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屋盖支撑有哪几种?支撑体系在屋盖结构中的作用?

由于重车积压卸车困难,要求发站必须停装或限装时,发、到站为同一铁路局管内的停限装由()批准。

A. 铁道部
B. 铁路局
C. 业务主管部门
D. 调度所

You need to design a software usage policy for the employees of Southbridge Video. The policy must meet business requirements. What should you do?()

A. Configure the software restriction policy in the Default Domain Policy Group Policy object (GPO)
B. Create a new connection object by using the Connection Manager Administration Kit (CMAK), and install the new connection object on all client computers
Create and configure a local security policy on both of the ISA server computers
D. Configure the Internet Explorer settings in the Default Domain Policy Group Policy object (GPO)

燃气涡轮发动机产生热起动或悬挂起动的可能原因是() 1、起动气源压力不足 2、起动机脱开转速低于规定 3、油气比过于贫油 4、高原机场气温过高 5、起动机脱开转速高于规定

A. 1,2,5
B. 2,3,4
C. 1,3,4
D. 1,2,4

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