I think it is necessary to do a thin section analysis to determine the lithology.

我认为需要观察薄片才能确定岩性.

互联网

This is a production technique of complex Al - alloy castings with high strength and thin section.

高强度铝合金石膏型真空吸铸工艺是高强度薄壁复杂铝合金铸件生产技术.

互联网

This paper gives the way and technique condition of manning thin section of mud - stoile casting.

本文介绍了泥岩裂缝铸体薄片的制备方法和工艺条件.

互联网