转辙装置整治以及道碴漏阻不良的轨道区段整治不属于信号工区要求工务配合的项目。
参考答案:错
我国海洋货物运输保险条款一切险承保范围包括()
A.自然灾害
B.火灾或爆炸外语学习网
C.共同海损
D.海盗行为
What’s the advantage when using the satellites?()
A.The message can be directed to the desired location
B.The message can follow the earth’s curvature
C.The quality of message can not be affected by climatic
D.The range of the message extend and the quality of reception is improved