这个地带被铸造时所带的对知识的缺乏状态是一种悲哀的状态。
This is a sad state of lack of knowledge that this region of domain was cast with that this is so.
研究了挤压铸造中金属液流的充型特性，利用高速摄影观察溶体的充填状态。
This paper studies the filling type characteristics of the metal liquid flow in squeeze casting, and employs high-speed photography to examine the filled state of melting body.
试验研究了浇注后型腔压力对消失模铸造的铝件表面状态、力学性能影响的趋势。
Influence of pressure applied on the mold after pouring on the surface status and mechanical properties of aluminum castings in lost foam casting is investigated.
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