常見例句Abstract： In the paper,shrinkage cavity formation of a hub S.G.iron casting was simulated with DECAM(Dynamic Expansion and Contrac tion Accumulation Method). 摘 要： 本文使用了收縮膨脹動態(tài)曡加（DECAM）法，對球鉄輪轂的縮孔形成進(jìn)行了模擬和工藝改進(jìn)。 返回 Decam