Emphasis is laid on the effect of tube distance and fin thickness on fin efficiency.
重点分析了圆管与扁管管间距、肋片厚度对肋效率的影响。
Emphasis on production efficiency of the equipment it?
你重视设备的生产效率吗?
Emphasis on production efficiency of the equipment it?
你重视面坯技术和设备操作吗?
Emphasis on production efficiency of the equipment it?
你重视面坯技术和设备操作吗?
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