在弯曲航道修建过河建筑物，其跨度大小对船舶航行有重要的影响。
When a structure is built over the curved, the structure span will greatly affect the ship (or fleet) navigation.
为解决弯曲航道的设计问题，从确保船舶航行安全的角度，重点分析对航道宽度的要求；
To solve the design matter related to channd bends, the basic requirements of the width in accordance with the need of safety navigation is analyzed.
南美洲正在弯曲，并被撕开，这将使得布宜诺斯艾利斯的海上航道扩张。
America is bending, pulling apart so that the seaway at Buenos Aires will be expanded.
南美洲正在弯曲，并被撕开，这将使得布宜诺斯艾利斯的海上航道扩张。
America is bending, pulling apart so that the seaway at Buenos Aires will be expanded.
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