The mold undergoes a visual inspection to make certain of its quality.
模具通过检查来保证它们的质量。
A: Does visual inspection do any good?
A：视觉检查有什么用？
They require only a visual and physical inspection before use.
只需要在使用前对其进行目视或实际检查即可。
They require only a visual and physical inspection before use.
只需要在使用前对其进行目视或实际检查即可。
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