nonmetallic inclusion的用法和样例：
例句
- The result showed that the cracking was caused by the fold-ing and nonmetallic inclusions of steel pipe.
结果表明，钢管中存在折叠及较严重非金属夹杂物是导致开裂的主要原因。 - By means of the Laika automatic analysis software,non-metallic inclusion can be tested accurately and quickly data treatment and measurement by statistical method.
引进的徕卡非金属夹杂物自动分析软件能对夹杂物迅速而准确地进行有统计性意义的测定和数据处理。
