然后，采用轴对称热传导模型，利用分区边界元法，对198型柴油机活塞温度场进行了计算。
Then, by the use of axisymmetric heat conduction model, the temperature field of 198-type Diesel engine's piston is calculated with subregion boundary element.
提高压出机后半部分区域的温度一般可以增大粘度和提高压力。
Increasing the temperature in the zones of the final half of the extruder will generally result in lower viscosity and pressure.
对原煤筒仓仓壁混凝土分组、分区域、分层浇注，解决了混凝土浇注区段过长引起的温度应力问题。
Temperature stress induced by long pouring section is prevented by pouting concrete in different groups, areas and layers.
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