例句與造句

1. Technical experiments of heavy al - alloy pressure - tight shell casting was conducted by low pressure casting
   摘要采用低壓鑄造法對大型鋁合金耐壓殼體的鑄造工藝進(jìn)行了試驗(yàn)研究。
2. It's difficult to find shell casting in a sentence. 用shell casting造句挺難的