The line sink drainage element method was proposed to solve the problem that small FEM grid was needed near drainage holes due to the high hydraulic gradient at the cost of time consuming.

为模拟排水效应并解决排水孔附近水头梯度大、有限元网格划分细而显著增加计算量的问题，提出了汇线单元法。

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Rapid urbanization had changed a peripheral shooting range into a garbage dump and drainage sink for urban storm water.

迅速的城市化已经把一个偏僻的打靶场变成了一个垃圾倾倒场和城市暴雨排水的接水盆。

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Check each sink and shower/tub drain for proper drainage.

检查每一个洗涤槽和淋浴管道，看看排水是否顺畅。

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Lakes also act as a sink for water and material inputs from diverse sources from their surrounding drainage basins.

UNESCO: Summary