Result of my study that the problems of great drop line maybe have, which is an essential guidance for pipe commissioning.
研究了大落差管道可能产生的各种问题，对管道的投产具有重要的指导意义。
When commissioning the system, we recommend flushing the pipe work first.
当试运行系统时，我们建议先冲洗管道。
When commissioning the system, we recommend flushing the pipe work first.
当试运行系统时，我们建议先冲洗管道。
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