... traced cloth for embroidery 刺绣用描绘布 tracer agent 示踪剂 tracer-controlled machine 故障检测器控制机床 ...
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agent tracer 示踪剂
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The tracer agent test shows that the flow pattern in the Pipe-cone Shape filter bio-bed is complete mixing.
示踪剂试验表明管锥形填料生物床的流态为完全混合式。
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