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Terms for subject Ecology containing 涡旋 | all forms | in specified order only
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南极平流层环极涡旋antarctic stratospheric circumpolar vortex
旋转涡轮式曝气设备rotating turbine aerator
涡旋沉沙分离池vortex grit separator
涡旋洗沙池vortex grit washer