On the two internal corners of each half of the sample there is filler and on close inspection this is to fill air holes probably created during casting.
在样品每半部的两个内角中有填充物，通过仔细检查发现是填充可能在铸造时产生的气孔。
What inspection functions are performed for the detection of casting cracks, porosity, and shrinks?
如何检验铸件的裂纹，缩孔，缩松？
According to the resonant acoustic principle, a nondestructive inspection system of fast detecting the casting defects is constructed in this paper.
本文基于音频检测原理构建了可实现铸件缺陷快速检测的音频检测系统。
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