surface inclusion的意思|示意

Subsurface inclusion is one of the reasons causing surface crack of rolled steel.

皮下夹杂是造成表面裂纹的原因之一。

Physical features: crystal bar in silver grey lustre without non-metal inclusion and blue film on the surface or the inner.

物理状态：高纯锆为银灰色棒状晶条，具有金属光泽。其内部和表面不带有非金属夹杂物和蓝膜。

The surface inclusion in cast rolling aluminum strip was observed and analyzed by means of SEM and EDAX.

采用SEM和EDAX分析技术，观察和分析了铸轧铝带的表层夹杂缺陷。