high conductivity steel rail

例句：

1. 1. The new high-conductivity rail is expected to greatly improve the efficiency of electric trains.
   新推出的高导电性钢轨预计将极大提高电动列车的效率。
2. 2. The construction of this high-conductivity rail will require extensive testing before it can be put into use.
   这座高导电性钢轨的建设需要经过广泛的测试，才能投入使用。
3. 3. Due to its high conductivity, this steel rail is resistant to corrosion and has a long service life.
   由于其高导电性，这种钢轨具有抗腐蚀能力，使用寿命长。