高速套结机针棒套筒为合金钢材质，经特殊处理。
Needle rod metal has changed for the steel alloy, gotten unique finish.
根据缝制的花样结果，可以证明本文设计的方案可以很好的应用于高速套结机系统中。
According to the result of the patterns, it has proved our method has been applied to the system successfully.
因此，内燃机水套冷却液流动数值模拟便逐渐成为目前研究内燃机水套冷却液流动、设计和优化水套结构的重要手段。
For this reason, the numerical simulation on the flow and heat transfer in engine water jacket becomes a principal method to optimum cooling system.
因此，内燃机水套冷却液流动数值模拟便逐渐成为目前研究内燃机水套冷却液流动、设计和优化水套结构的重要手段。
For this reason, the numerical simulation on the flow and heat transfer in engine water jacket becomes a principal method to optimum cooling system.
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