单词：sweeping line
sweeping line的用法和样例：
例句
- The flow line simulator has been used widely in the infill drilling and adjustment research.流线模拟器已广泛应用于油田规模的加密钻井和调整研究。
- Sand flow of water and sand as the proportion of different trajectories and the flow of sand from the line, could accelerate the occurrence of cavitation.含砂水流由于水与砂的比重不同，砂粒运动轨迹与流线脱离，可能会加速汽蚀的发生。
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