It was built and widened in 1974 , with gravel roads dredged on each side of the canal .
It was built and widened in 1974 , dredged with gravel roads on each side of the channel .
It was built and widened in 1974 , dredged with gravel roads on each side of the channel .
释义: It was built and widened in 1974 , with gravel roads dredged on each side of the canal . 输出: