Check rails of metal
- 条目编号
- 006-1701
- 所属类别
- 第6类 普通金属
- 状态
- 有效（A）
- 类型
- 商品
- 生效日期
- 01/01/2018
- 尼斯版本
- 11-2018
- TM5 通用条目
- 否
官方备注
Check rails are used in rail transport and are laid parallel to running rails to guide wheels through points and round curves. They reduce wear and the risk of derailments.
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