This paper analyzes causation of "uprightness maladjustment" in the single pipe, and puts forward corresponding prevention measure.
本文对单管顺流式“垂直失调”的原因进行分析，并提出相应的防治措施。
This paper analyzes causation of "uprightness maladjustment" in the single pipe, and puts forward corresponding prevention measure.
本文对单管顺流式“垂直失调”的原因进行分析，并提出相应的防治措施。
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