水利 shuǐlì water conservancy
water conservancy; irrigation works
How to remember 水利: 水 water + 利 benefit = water conservancy.
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How it is used
- 'Water conservancy, irrigation works' - 水利工程 (shuǐlì gōngchéng) water-control projects.
- The engineering/management of water for irrigation, flood control, and supply.
- Official/technical; a major field in Chinese infrastructure.