railway construction machine的意思|示意

Shield machine is a large mechanical device that is widely used in the construction of tunnel engineering such as subway, railway, roadway, city infrastructure, and water and electricity utility.

盾构掘进机是一种广泛应用于地铁、铁路、公路、市政、水电等隧道工程施工的大型机械设备。

This paper chiefly introduces a type of temporary bridge machine assembled with manufactured equipment and using it in construction of erecting railway curvilinear beams.

介绍了在峰峰高架桥工程中，利用制式器材拼组临时架桥机架设小半径曲线梁的方案设计和实际实施，希望能给类似工程提供有益的借。

Railway track construction and maintenance plant. ballast cleaning machine. specifications.

铁路建造和维护设备。道碴清理机。规范。