线路螺栓 track bolt
- 螺栓拧紧质量均匀,是铁路线路施工和维修的好帮手。
Uniform bolt tightening. It is helpful to railway construction and maintenance. - 如果某个团队确实碰到麻烦并必须下降,至少可以离开化学螺栓挂片的线路。
If a team does have trouble and needs to descend, it could at least rap off the glue-in bolts.
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