From 1958 onward, and as the city became more industrialized in the 1960s, the polluted stream and its Bridges were gradually buried under at-grade asphalt and a four-lane elevated freeway.

自1958年来，20世纪60年代城市工业化程度日益提高，污染的运河和桥梁逐渐被柏油马路和4车道的高架高速公路替代。

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Once under the elevated 4th Ring, you cross and turn left to follow the road round to where a stream vanishes under the Sihui Bridge.

在四环高架桥下，你穿过十字路口向左转，沿路走到河流消失在四惠桥下的尽头。

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Elevated Combination Road (ECR)has resolved the increasing traffic stream effectively.

高架复合道路有效地缓解了交通拥挤的问题。

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