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pipe cleaning equipment
管道清洗设备
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The pipe filter must be shut down for cleaning and drainage regularly during its operation, and this usually interferes with the long-period operation of the equipment in the system.
管道过滤器在运行过程中必须定期停车清洗、排污，往往影响系统设备长周期运行。
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