... annulated column 环饰柱(有环纹的柱) annulus 环形空间；环，圈；环形物，圆；环状面，环状；环状裂缝；环形孔道 annulus area 环形面积；(安 ...
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exhaust annulus area 排汽环形面积
blade annulus area 叶片环周面积
·2,447,543篇论文数据，部分数据来源于NoteExpress
The results show the particle velocity in the annulus area in this equipment is about an order of magnitude higher than that in ordinary spout-fluid beds;
结果表明：稀相喷流床中环隙区颗粒的下降速度比传统喷动床高出一个数量级；
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