Findings show that, for be in the wrong frozen soil wrought in favor of thermal disturbance, insulating layer thickness respond adopt dam insulating pipe hull skin temperature 'calculation procedure.
研究结果表明，为不对冻土造成较大热扰动，保温层厚度应采用控制保温管外表面温度的计算方法。
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Shaft Column: Flanged, heavy wrought steel pipe encases the pump shaft.