详细介绍了对双导梁式架桥机天车、行走系统、有效工作长度及预制梁安装就位的改进情况。
The text detailedly introduced crown block, running system, availability work period of bridge girder erection equipment and improve case for precast beams install.
以出铝小车行走为例介绍了多功能天车电气系统的调试过程和常见故障处理。
Taking tapping trolley as an example, it introduces the adjustment procedure of the electric system and troubleshooting as well.
钻机天车、井架、底座、转盘及游动系统等主要配套件符合API规范。
Main parts such as crownblock, mast, substructure, rotary table and travelling system of drilling rig meet API standard.
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