Steel rails must be incorporated into the streets (in an emergency, firefighters must be able to pass). Materials can range from granite cubes, asphalt mat or grass carpet.

钢轨必须嵌入街道（在紧急情况下，消防员必须能够通过） 。材料可以从花岗岩块、沥青垫和人造草毯之间选择。

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Steel rails must be incorporated into the streets (in an emergency, firefighters must be able to pass). Materials can range from granite cubes, asphalt mat or grass carpet.

钢轨必须嵌入街道（在紧急情况下，消防员必须能够通过） 。材料可以从花岗岩块、沥青垫和人造草毯之间选择。

youdao