隧道结构缝处，道床板设置伸缩缝（需填充），混凝土浇筑间隔时间超过（）小时应设计施工缝（无间隙），伸缩缝和施工缝两侧道床板加设锚固钢筋和加强筋。
查看答案
什么是教师的专业能力？现代教师的专业能力包括哪几种？
Which of the following statements regarding routed and routing protocols are true?（）
A routed protocol is assigned to an interface and determines the method of packet deliver.
B. A routing protocol determines the path of a packet through a network.
C. A routed protocol determines the path of a packet through a network.
D. A routing protocol operates at the transport layer of the OSI model.
E. A routed protocol updates the routing table of a router.
微信支付 
支付宝支付