亚洲天堂最新网址_亚洲中文久久无码91互動交流_日韩精品人妻少妇一区_麻豆果冻剧传媒在线播放_亚洲老热女无套内射毛片_刚发育粉嫩国产精品14_中日韩免费毛片AV_18禁黄无遮挡动漫网站免_打扑克啊好痛下载软件安装_再深点灬再大点灬舒服

CN

Spring bar type I fastener

The spring bar type I fastener is suitable for lines with straight line and curve radius of not less than 295m concrete sleeper with ballast track 50kg/m rail and prestressed concrete sleeper, prestressed concrete wide sleeper, standard gauge railway lines with straight line and curve radius of not less than 300, the maximum height is 10mm.

For more information, please email us or call our hotline

High-speed rail 0576-83966191

Electronic 0576-83955388

ttxhsy@ttxh.com.cn

Description

go back