... gramophone record 唱片 grain pipe 谷物输送管 grain handling and storage plant 谷物装卸和储藏设备 ...
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In this paper, the traditional HAZ grain growth model is analyzed. Based on the model, analytical model of austenite grain growth fit to high strength pipe-steel is introduced.
分析了传统的焊接热影响区（HAZ）晶粒长大模型，在此基础上，介绍了适用于高强度管线钢的奥氏体晶粒长大的耦合模型。
The results show that mechanical properties of the pipe were improved greatly by new technique, and grain size refined, microstructure improved, residual stress and energy consumption reduced.
结果表明，新工艺可明显提高产品的力学性能、细化晶粒、改善组织、减小应力，并降低了能耗。
The forces of the main fixed support in water pipe system and items of selection of metal wave grain tube were introduced.
分析了管路系统主固定支架的受力情况，指出了波纹管膨胀节选型的注意事项。
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