corner double seam 锁缝角接接头
Aimed at top corner gas management at the low gas blasting face, by upper goaf drainage with decompression in self coal seam, the experience is tried, the effect is obvious.
针对低瓦斯炮采工作面上隅角瓦斯治理，利用本层上采空区泄压释放，进行尝试实验，效果明显。
The image process and corner detection of V groove seam based on structure light vision sensing has been studied.
对基于结构光视觉传感的V型焊缝图像预处理及拐点检测进行了研究。
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