permanent mold casting

基本解釋

The results show that the copper alloy density by permanent-mold casting attains 99.91% of theory density.
結(jié)果表明：經(jīng)金屬型鑄造的銅合金密度達到理論密度的99 91%。
The performance, role, potential value and application ways of heat pipe in light alloy in permanent mold casting were expounded.
初步評估了熱管在輕合金永久型鑄造中的行為、作用、利用潛力和應(yīng)用的基本形式。
According to the basic test and calculation for copper alloy by permanent-mold casting, foundry technique parameters of the rotor counterbalance component of helicopter were stated.
采用金屬型鑄造并對銅合金材料進行基礎(chǔ)試驗和計算，確定了直升機旋翼配重構(gòu)件的鑄造工藝邊界參數(shù)；
www.csu.edu.cn