环缝内衬
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circular crack lining
圆缝衬砌
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The theoretical analysis, the pilot test, as well as the industrial application have shown that the collection efficiency of this cyclone with circular crack lining is higher than of the ordinary one.
理论分析、半工业试验和工业应用实践的结果表明：环缝内衬旋风除尘器的除尘效率优于无环缝内衬旋风除尘器的除尘效率。
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