“咬测试”是检查硬币是否是黄金。

The " bite test " was to check if the coin was gold.

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这个焊口以宏观检查发现明显的气孔和超长的咬边。

This welded seam is found an obvious air hole and an unqualified undercut with macroscopic check.

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这个焊口检查发现有明显的气孔和超长的咬边。

An obvious air hole and an ultra-long undercut are found in the seam.

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这个焊口检查发现有明显的气孔和超长的咬边。

An obvious air hole and an ultra-long undercut are found in the seam.

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