surface drainage channel meaning in Chinese

排水明沟

To remove mosquito eggs and prevent mosquito proliferation , water in household containers should be cleared at least once a week . make sure that no water is accumulated in trays under air - conditioning units . moreover , water containers , vases and pot saucers , drains and surface drainage channels should be scrubbed at least weekly
由于蚊卵在乾旱的气候下仍然可以生存，遇到合适的环境便会孵化，因此市民须采取防治措施，至少每星期清除家居容器的积水，留意冷气机托盘是否有积水，并洗擦贮水容器、花樽和花盆垫碟的边缝、沟渠和排水明渠，消灭可能积聚的蚊卵，避免蚊虫滋生。
To remove mosquito eggs and prevent mosquito proliferation , water in household containers should be cleared at least once a week . make sure that no water is accumulated in trays under air - conditioning units . moreover , water containers , vases and pot saucers , drains and surface drainage channels should be scrubbed at least weekly
由于蚊卵在乾旱的气候下仍然可以生存，遇到合适的环境便会孵化，因此市民须采取防治措施，至少每星期清除家居容器的积水，留意冷气机托盘是否有积水，并洗擦贮水容器花樽和花盆垫碟的边缝沟渠和排水明渠，消灭可能积聚的蚊卵，避免蚊虫滋生。