Dredging the river aims at keeping the river course smooth and water clean.
清挖河道是为了保持河道畅通，河水清洁。
The river course is being cleaned.
河道正在被清理。
Silting up river course, reservoir and channel.
淤塞河道、水库和渠系；
Later it declined due to the change of a river course.
后来因为河水改道，才逐渐衰落下来。
The old river course has been filled up and remade into a driveway.
河流的故道已经被填平，修成公路了。
Bend flow is a common phenomenon of water movement in channels and river course.
弯道水流是渠道和河道中常见的一种水流运动现象。
This price applies to the Spa course and the Sun River course.
此价格表适用于温泉球场和太阳河球场。
This price applies to the Spa course and the Sun River course.
此价格表适用于温泉球场和太阳河球场。
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