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美国陆军工程师已从国会获得５．６８亿美元拨款，用于兴建一座新船闸，将使新奥尔良市海湾内陆运河船只过闸需等候２４～４８ｈ的状况得到改善。早在１９５６年，国会已授权在连接内陆运河、密西西比河海湾出口和庞恰特雷恩湖至密西西比河出口的内港运河上兴建新船闸。但是该
US Army engineers have received $ 568 million in grants from Congress for the construction of a new ship lock that will allow the Gulf Coast canal ships in New Orleans to go through the gate and wait 24 to 48 hours for improvement. As early as 1956, Congress had authorized the construction of a new lock on the inner-harbor canals that connected the inner-canal canals, the Gulf of Mexico exit and the Pincatur Lake to the Mississippi River. But that