exogenous metallic inclusion

例句：

1. 1. The steel industryis heavily dependent on the availability of foreignmetal inclusions.
   钢铁工业严重依赖外来金属夹杂物的供应。
2. 2. Theengineer found that the inclusions were causing the machine tomalfunction.
   工程师发现这些夹杂物导致机器出现故障。
3. 3. Thecompany's quality controldepartment is responsible for monitoring andremoving exogenous metallic inclusionsfrom its products.
   公司的质量控制部门负责监控并从产品中去除外来金属夹杂物。