Straddle-Monorail is a form of Urban rail Transit. At present, Chongqing has monorail lines in operation.

跨座式单轨交通是城市轨道交通的一种形式，目前，在重庆市有运营线路。

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However, current maintenance for turnout is when the turnout in the event of failure. This will seriously affect the high-speed railway lines in operation, even cause catastrophic accidents.

但我国目前的道岔维护都是故障后的维修，这在高速铁路上将严重影响线路的运营，甚至引发灾难性事故。

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You can specify any number of lines in an editing operation, and these operations can be combined and given in a series.

您可以在编辑操作中指定任何数量的行，并且这些操作可以在一个序列中进行组合和指定。

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Three more lines are scheduled to be in operation by 2017.

BBC: Seville goes green

Soon, based in London, he had an operation with more than 200 agents behind enemy lines.

CENTERFORSECURITYPOLICY: Center for Security Policy | CIA Director William Casey: His Analysis And Plain Speech Help Him Lead The Agency to the Top