Waterway maintenance

英 美
  • 航道维护
  • maintenance n.维修;维护;保持;生活费用;抚养费
  • waterway n.水路;航道;水道;舷侧排水沟
    1. In a period of time, the fluvial processes are getting active, which increases the movement of sediment and results in unfavorable effect on the maintenance of the channel.
      一段时期内,河床演变趋于活跃,增加了泥沙活动,对航道维护有不利影响。