对于钻孔内部，考虑到流体温度的沿程变化以及两管之间的热干扰，利用能量平衡原理建立了稳态分析解模型。
For the inside part, steady state model will be used through the Energy Balance Theory, considering the changes of fluid temperature along the way and the thermal influence between the two pipes.
平板模具受筒式电热管加热，这种电热管安装在精选的钻孔中，以避免所在的热熔点影响熔体流动的均匀性。
Flat sheet dies are heated with electrical resistance cartridge heaters placed in holes drilled in areas carefully selected so as to avoid localized hot spots which would affect melt flow uniformity.
该模具是受电阻加热器加热用，放置在精选的钻孔中，以避免所在的热熔点影响熔体流动的均匀性。
The die is heated with electrical resistance cartridge heaters placed in hole drilled in placement areas selected to avoid localized hot spots, which would affect melt flow uniformity.
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