六线制ZD-6型双机牵引道岔,第二牵引点反位向定位动作时使用的控制线为()。
A. X1、X4
B. X2、X4
C. X5、X4
D. X6、X4
查看答案
依据《钢结构工程施工质量验收规范》GB50205-2001,5.2.5,重级工作制吊车梁的腹板与上翼缘连接焊缝的焊脚尺寸为腹板厚度的(),且不大于()mm。
A. 1/2;10
B. 1/3;8
C. 1/4;6
D. 1/5;6
依据《钢结构工程施工质量验收规范》GB50205-2001,5.2.5,对于T形接头等要求熔透的对接和角接组合焊缝,同类焊缝的焊脚尺寸现场抽查比例为(),且不少于()条。
A. 5%;3
B. 10%;3
C. 15%;10
D. 20%;10
A Windows Communication Foundation (WCF) service is responsible for transmitting XML documents between systems. The service has the following requirements: It must minimize the transmission size by attaching the XML document as is without using escape characters or base64 encoding. It must interoperate with systems that use SOAP but are not built on the .NET plafform. You need to configure the service to support these requirements. Which message encoding should you use?()
A. Binary message encoding
B. MTOM (Message Transmission Optimization Mechanism) message encoding
C. Text message encoding with message version set to none
D. Text message encoding with message version set to SOAP 1.2
安全与投入的关系是()。
A. 无论经营状况多么困难,必要的安全投入都不能减少
B. 在保证生产投入的前提下,必要的安全投入不能减少
C. 经营困难的情况下,可以适当减少安全投入