- curve-sided weir
- curved-sided weir
- 曲线: curve; curved line
- 堰: weir
- s曲线: s curve
- 曲线: [数学] curve; bight; bought; profile; net◇曲线板 french curve; irregular curve; curve board; spline; 曲线尺 spline; 曲线计opisometer;曲线锯 sweep-saw; turning saw; coping saw; scroll saw; compass saw; 曲线球 bender; 曲线图 diagram of curves; plot; curve; profile; curve diagram; 曲线运动 curvilinear motion
- 曲线；放样曲线: spline
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