铁路u型槽模具它肯安装施工简 单、铁路u型槽模具重量轻、承载好、抗冲击好、宁弯勿折、排水量大的特点，沟 盖板在经过热浸锌处理后美观耐用，防腐防锈，具有铸铁沟盖板不可比拟的优点 。

The U-shaped groove mould it to install simple construction, light weight, U-shaped groove mould railway bearing, impact resistance, bending, Ning do not fold large displacement characteristics, trench cover after hot dip galvanizing after corrosion and rust, beautiful and durable, has the advantages of cast iron ditch cover incomparable.