一家财团计划修建一条从俄罗斯向德国东部供应天然气的管道。
A consortium plans to build a natural-gas pipeline from Russia to supply eastern Germany.
现在有人担心，计划修建的穿越湖底的输油管道可能会重新造成污染，导致鱼类数量再次下降。
Fears are now being voiced that the planned construction of an oil pipeline across the lake's bottom might revive pollution and cause the fish population to decline again.
这些管道被认为是为灌溉地表而修建的运河系统。
The lines were thought to have been a system of canals that had been built to irrigate the surface.
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