high alloy steel casting造句

例句与造句

1. A new filtration technique for purification of carbon , stainless , high speed , low and high alloy steel castings in investment casting was investigated
   研究了在熔模精密铸造中过滤净化碳钢、低合金钢和高合金钢等铸钢件的过滤新技术。
2. It's difficult to find high alloy steel casting in a sentence. 用high alloy steel casting造句挺难的