周一是它自从1931年落成之后第十次被打开，泄洪闸使密西西比河的水流向庞恰特雷恩湖。
Monday marked the 10th time it has been opened since the structure was completed in 1931. The spillway diverts water from the Mississippi River to Lake Pontchartrain.
试验过程及结果表明，该方案削减船闸工作水头约50%，船舶一次过闸省水率约50%的设想是可行的，合乎实际的。
The process and result of the experiment shows in the scheme the assumption of water head diversion by 50% and water-saving rate by 50% is feasible and practical.
探讨内河运输船舶的吨位与面积之间的关系，将有助于合理有效地计算船闸的一次过闸平均吨位。
The relationship between the tonnage and area of inland vessels is needed to calculate the average lockage tonnage reasonably.
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