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5 天
阿姆斯特丹测试“气泡屏障”来清理河道
弗朗西斯・佐特是大气泡屏障项目的技术总监。她对路透社记者说:“气泡屏障就是在河道底部铺设有孔的管道,然后向管道注入压缩空气,就会形成一道气泡帷幕。” 这些管道斜穿河道。
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