Where a railway crosses a navigable waterway, a bridge must be built which is capable of being opened in order to allow the river or canal traffic to pass.
在铁路穿越航道,桥梁建立必需是可以被翻开,以使河流或运河流量通过。
Where a railway crosses a navigable waterway, a bridge must be built which is capable of being opened in order to allow the river or canal traffic to pass.
在铁路穿越航道,桥梁建立必需是可以被翻开,以使河流或运河流量通过。
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