主航道
主航道主航道[zhǔ háng dào]1.■main channel; main course:主航道中国一侧on the Chinese side of the central line of the main channel (of a river)
常用词组1.■主航道中心线 center line of main channel; thalweg
主航道主航道[zhǔ háng dào]1.■main channel; main course:主航道中国一侧on the Chinese side of the central line of the main channel (of a river)
常用词组1.■主航道中心线 center line of main channel; thalweg
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