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swale (Geography Dictionary)

swale : Any shallow channel or trough with gently sloping sides, either natural or artificial. Man-made swales are often designed to manage surface runoff and increase rainwater infiltration.

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
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