排水沟

• You ' ve got a mouth like a drain
  因为你有着一个像排水沟一样的大嘴巴
• Don ' t throw trash into street drains
  不要将垃圾丢进街道的排水沟。
• The rainwater drained slowly because the drain was blocked
  雨水排得很慢,因为排水沟给堵住了
• Standard practice for installation of geocomposite pavement drains
  路面排水沟安装的标准实施规范
• Classes a and b concrete elements and buckets for gullies ; buckets
  A和b类排水沟用的混凝土构件和斗件.斗件
• Discharge the water from light well point into site drainage directly
  轻型井点抽出的水直接排入现场排水沟内
• Concrete elements and buckets for road gullies - part 4 : buckets
  道路排水沟的混凝土构件和斗式地漏.第4部分:斗式地漏
• Floor and trench drains
  地面排水管和排水沟
• A short length of pipe made of clay or concrete , used in sewers and drains
  瓦管用粘土或混凝土制成用于排水沟或下水道的短管道
• Concrete elements and buckets for road gullies - part 3 : concrete elements
  公路排水沟用混凝土构件和斗式地漏.第3部分:混凝土构