Three-rail system ensures the stable transportation of boxes.

三轨道系统确保盒子传输平稳。

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The role, working principle, structure and commonly used material of steel aluminum composite conductor rail in the three-rail system are introduced.

介绍钢铝复合导电轨在三轨系统中的作用、工作原理、结构和常用材料。

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Pepy said: "Three hours' travel time by train means a share between 66% and 70% of the air and rail market."

Pepy说：“乘火车3小时内能到达的旅行大概占英国国内航空和铁路市场份额的66%至70%。”

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"It includes three hundred million dollars to buy new cars for the government, eight billion dollars for high-speed rail projects, such as a 'magnetic levitation' line from Las Vegas to Disneyland, and one hundred forty million dollars for something called 'volcano monitoring.'

VOA: special.2009.02.27

"At a per-passenger-mile basis, rail is about three times as efficient as travel by car, in terms of fuel efficiency, and six times as efficient as travel by air, so there are pretty substantial pollution reduction benefits both in terms of greenhouse gases and other pollutants."

VOA: standard.2010.02.15

It boasts exclusive equestrian trails and a laid-back lifestyle, complete with white three-rail fences, and no sidewalks or street lights.

FORBES: Hidden Hills, Los Angles County, California

"High-speed rail has three advantages over air travel, " Si Xianmin is reported to have said with refreshing frankness.

ECONOMIST: Business travel

It's now only four and a half hours from Hefei to Shanghai on the newly built highway and less than three by the new high-speed rail link.

NPR: China Seeks Cheaper Labor Within Its Borders