In this paper, the principle and the application of magnetic fluid was studied in the specific gravity test of objects.

本论文研究了磁性液体物体比重测试技术的原理及其应用。

youdao

In this paper, the principle and the application of magnetic fluid was studied in the specific gravity test of objects.

本论文研究了磁性液体物体比重测试技术的原理及其应用。

youdao